What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 112 Class Title: SEWING Subclass Subclass Number Title 400 PRODUCTS 401 .Uniplanar sectional web, sheet or layer 402 .Sewn web or sheet 403 ..Including decomposable thread or component 404 ..Including feathers, beads or reflective material 405 ..With longitudinally non-coextensive super-imposed panel or sheet 406 ..Including external fastener sewn thereto 407 ...Hook and/or eye 408 ...Button 409 ..Fringed 410 ..Tufted or looped surface 411 ...With tufts or loops formed by floating strand-like portions 412 ..Of strands or strand portions joined by sewing 413 ..Elastic strand or component 414 ...Including non-planar component 415 ..Specific strand arrangement or relationship 416 ...Knitted, netted or knotted 417 ..With strip, strand or strand portion between layers or components 418 ..With strip sewn in or over seam or over edge (e.g., welt or stay) 419 ...Channel-shaped edge binding 420 ..Fibrous or particulate layer between other layers 421 ..Including component of varying thickness 422 ..Non-planar uniform-thickness material 423 ...Bent flange or reverse fold at edge 424 ....Including concealed or blind stitching 425 .....Overedge or along offset fold 426 ....Included in seam joining contiguous components 427 ...Pleated, tucked or shirred 428 ...Plural components 429 ..Filamentary material or strand-like tape sewn to surface 430 ...Interlooped floating strands or strand portions 431 ...Around aperture (e.g., buttonhole) 432 ...Connecting parallel straight lines of stitching 433 ....Included in overedge stitching 434 ....Uniting contiguous components 435 .....Plural intersecting float threads 436 ...Incorporated with or held by overedge stitching 437 ..Apertured or open-work (e.g., buttonhole) 438 ..Chain stitch 439 ..Ornamental stitching (e.g., embroidery) 440 ..United components 441 ...By stitching along edge 2 SPECIAL MACHINES 2.1 .Mattress sewing 2.2 ..Tufting 4 .Jacquard card sewing 6 .Broom sewing 7 .Carpet sewing 8 ..Clampss 9 .Rug sewing 10 .Bag sewing 11 .Sewing filled sacks 12 .Sewing hats 13 ..Work supports 14 ...Rotary 15 ..Guides and pages 16 .Glove and fur sewing 17 ..Dyeing feature 18 ..Work holding and feeding 19 ...Clamp 20 ..Guiding 21 .Book sewing 22 ..Knotting 23 .Straw braid 24 .Straw sewing 25 .Looped fabrics 26 ..Preparing 27 ..Work holding and feeding 28 .Leather sewing ..Shoe sole 29 ...Separating and indenting 30 ...Tack pulling 31 ...Fair stitch 32 ...Loop lock 33 ...Tongue lock 34 ...Chain stitch 35 ....Curved needle 36 ...Lock stitch 37 ....Curved needle 38 .....Oscillating and rotating shuttle 39 ...Back gauges and rests 40 ...Guards 41 ..Heating 42 ..Waxing 43 ..Lubricating and moistening 44 ..Welt slitting and beveling 45 ..Channeling 46 ..Welt handling 47 ..Feeding 48 ...Awl 49 ...Needle 50 ..Channel guides 51 ..Edge and crease guides 52 ..Welt guides 53 ..Chain stitch 54 ..Lock stitch ..Thread handling 55 ...Orbital-movement loopers 56 ...Cast-offs 57 ...Take-ups 58 ...Pull-offs 59 ...Tensions 60 ..Presser devices 61 ...Locking 62 ..Work supports 63 .Tube forming 64 .Fringe formingg 65 .Buttonhole 66 ..Eyelet making 67 ..Start and stop mechanism 68 ..Cutting 69 ..Thrum mechanism 70 ..Clamp feeding 71 ...With rotatable needle bar 72 ...Right line and rotary 73 ...Vibrating needle 74 ...Spreading 75 ...Gauging 76 ...Clamps 77 ...Attachments 78 .Embroidering 80.01 ..Tufting (replacing subclass 79) 80.02 ...Rooting hair in doll or wig 80.03 ...Hand implement 80.04 ....With power drive 80.05 ....Having hollow or channelled needle 80.06 ....Having non-eyed needle 80.07 ...Yarn manipulation by fluid flow 80.08 ....Having hollow needle 80.15 ...Dual sided 80.16 ...Including hollow or channelled needle 80.17 ...Including non-eyed needle 80.18 ...With condition responsive stop motion means 80.23 ...With optical, electronic, or magnetic pattern program means 80.24 ....Having pattern drum 80.3 ...With specific fabric supporting, manipulating, cutting, or treating means 80.31 ....Means to shift fabric laterally of feed 80.32 ....Means to feed fabric 80.33 ....Fabric vertically moveable at tufting position 80.4 ...Including specific needle supporting or manipulating means 80.41 ....Means to shift needle laterally of fabric feed 80.42 ....Means to vertically adjust stroke 80.43 ....Means to selectively drive one of plural needles 80.44 ....Means to disconnect needle and drive 80.45 ....Supporting structure 80.5 ...Including specific loop catcher 80.51 ....Bill with clip or gate 80.52 ....Plural loop catchers having different shapes or orientations 80.53 .....Stationary relative to one another 80.54 ....Variable height loops 80.55 ....With loop cutting means 80.56 .....Selective cutting means 80.57 .....Rotary cutter 80.58 .....Knife pivots on loop catcher 80.59 .....Cutting means stationary relative to loop catcher 80.6 .....Including supporting structure (e.g., knife block) 80.7 ...Including specific yarn manipulating, cutting, or treating means 80.71 ....Cutting or treating means 80.72 ....Feed via intermeshing slats 80.73 ....Feed rollerr 81 ..Hemstitch 82 ...Universal feed 83 ..Horizontal needle 84 ...Pattern controlled 85 ....Boring 86 ....Fabric shifting 87 ...Stopping 88 ...Article attaching 89 ...Boring 90 ...Fabric shifting 91 ....Balancing 92 ....Spring 93 ...Stitch forming 94 ....Short thread 95 ....Shuttle type 96 ....Thread take-up 97 ....Thread tension 98 ..Vertical needle 99 ...Attaching ornaments 100 ....Thread 101 .....Attachments 102 ...Fabric shifting 103 ....Frames 104 .Article attaching 105 ..Hook and eye 106 ...Feeding 107 ...Carriers 108 ..Eye-shank button 109 ...Vibrating needle 110 ..Flat button 111 ...Vibrated needle 112 ...Vibrated clamp 113 ..Feeding 114 ..Clamps 115 ..Attachments 116 .Crocheting 117 .Quilting 118 ..Fabric shifting 119 ...Frames 120 .Infolding 121 .Darning 121.11 .Pattern controlled or programmed 121.12 ..Work carrier and support 121.13 .Stitch control 121.14 .Traveling 121.15 .Work carrier and support 121.16 .Tuft making 121.17 .Feather sewing 121.18 .Spiral feed 121.19 .Stringing 121.2 .Lacing or whipping, e.g., covering rings 121.21 .Sewing hemp-sole shoes 121.22 .Neckties 121.23 .Upholstery 121.24 .Circular line of stitch 121.25 .Stitch marking 121.26 .Fabric tensioning 121.27 .Elongated articles, e.g., belt, waistband and belt loopp 121.28 .Spherical object, e.g., baseball cover sewing 121.29 .Completed-work handling * WORK MANIPULATING 122 .Trimmers 122.1 ..Having specified stitching mechanism 122.2 ...Pinker 122.3 ..Rotary cutter 122.4 ...Pinker 125 ..Manual control 126 ..Laterally adjustable 127 ..Ply separating 128 ..Needle-bar operated 129 ..Cutters 130 .Severing 131 .Creasers and markers 132 .Rufflers and gatherers 133 ..Smocking 134 ..Attachments 135 ...Vibrating blade 136 .Guides 137 ..Binders 138 ...Strip reversing 139 ..Braiders and corders 140 ..Blind stitch 141 ..Hemmers 142 ...Lap seam 143 ...Adjustable 144 ..Tucking 145 ...Box plait 146 ...Spacing 147 ..Folding 148 ..Fabric holding 149 ..Fringe turning 150 ..Pressure 151 ..Presser bar attached 152 ..Strip 153 ..Edge 154 STITCH FORMING 155 .Multiple machines 156 .Knot tying 157 .Zigzag 443 ..Vibrating needle 159 ...Shifting looper 444 ...Having indicator 445 ....And specified electronic memory 446 ...Closed pattern sewing (e.g., buttonhole) 447 ....Including electronic memory 448 ....Having cam actuation of needle or material feed 449 .....And means to change, without operator intervention, stitch width or material feed 450 ...Basting stitch or skipping stitch 451 ...Backstitch 452 ...Having multiple needles 453 ...Having electronic memory 454 ....Plural diverse patterns in series 455 ....Having computer control of linkage intermediate motor and needle or material feed 456 ....Including means to calculate needle or material feedd parameters 457 ....Including programmable or detachable memory 458 ....Including pattern selection means 459 ...Having cam actuation of needle or material feed 460 ....Including detachable cam 461 ....And specified material feed 462 .....And fine adjustment of stitch width or material feed 463 .....And plural, selectively used cams 464 ....Including fine adjustment of stitch width 465 ....Including plural, selectively used cams 466 .....And plural followers 467 ...Having specified looptaker structure 160 ..Surging 161 ..Purling 162 .Overseaming 163 .Multiple needle 164 ..Shuttle type 165 ..Chain and double chain 166 ...Multiple looper 167 ..Adjustable 168 .Convertible 169 .Hand implements 170 .Short thread 171 ..Double-pointed needle 172 ..Overedge 173 .Running stitch 174 ..Crimping 175 ..Stationary needle 176 .Blind stitch 177 ..Overseaming 178 ..Work handling 179 .False hemstitch 180 .Bobbin ejector 181 .Revolving-hook type 182 ..Timing 183 ..Reciprocating bobbin 184 ..Vertical axis 185 .Shuttle type 186 ..Shuttle replenishing 187 ..Loop spreaders 188 ..Bobbin latch 189 ..Rotary 190 ...Timing 191 ...Vertical axis 192 ..Oscillatory 193 ...Vertical axis 194 ..Reciprocatory 195 ...Longitudinal 196 ..Holders and raceways 197 .Chain or double chain 198 ..Hooked needle 199 ..Oscillating or reciprocating looper 200 ..Four-motion looper 201 ..Rotating looper 202 ..Vertical-axis looper 303 .Feeding work material 304 ..By endless conveyor 305 ..Under tensionn 306 ..Having means to align work 307 ..Work of indeterminate length 308 ..Having curvate feature 309 ...Capable of feeding through 360 degrees 310 ..Needle and helper 311 ..Clamp type 312 ..Plural differential feed means 313 ...Having adjustment feature 314 ..Having adjustment feature 315 ...Stitch length 316 ....Reversible feed direction 317 ...Reversible feed direction 318 ...Rotary feed 319 ...Intermittent feed 320 ..Engaging upper side of work material 321 ...Needle acts as feed means 322 ..Rotary feed 323 ..Four motion feed 324 ..Feed dog structure 217 .Seam finishing 217.1 WITH TABLES OR STANDS 217.2 .For plural sewing units 217.3 .With power control or clutch 217.4 ..Conversion of foot-treadle driven machine 270 ELEMENTS 271 .Starting or stopping 272 ..Work sensing 273 ..Thread sensing 274 ..With element positioning 275 ...Electrically operated 276 ..Fluid operated or controlled 277 ..Electrically operated or controlled 278 .Thread sensing 279 .Bobbin winding 280 .Cooling 281 ..Needle 282 .Waste extraction 283 .Fly wheels 284 .Linkage systems 220 .Driving mechanisms 221 ..Needle 222 .Needles 223 ..Thread releasing 224 ..Threading structure 225 ..Setting and threading attachments 226 ..Clamping 227 ..Guiding 228 .Revolving hooks 229 ..Bobbin tensioning 230 ..Sectional 231 ..Bobbin holders and casings 232 .Shuttles 233 ..Tensioning 234 ..Longitudinally reciprocating 235 .Presser devices 236 ..Embroidering and darning 237 ..Lifting 238 ...With tension releasee 239 ...Automatic 240 ..Detachable connections 241 .Take-ups 242 ..Pull-offs 243 ...Automatic control 244 ..Presser-bar controlled 245 ..Needle-bar actuated 246 ..Adjustable 247 ..Resilient 248 ..Rotary 249 ..Stationary cam 250 ..Clamp carrying 285 .Thread cutting, severing or breaking 286 ..With thread wiping 287 ..With thread disposal by air flow 288 ..Thread chain 289 ..Rotary type 290 ..Hot wire type 291 ..Upper and lower threads 292 ...Single cutter 293 ..Upper thread 294 ...Scissors type 295 ...Single blade cutter 296 ..Lower thread 297 ...Scissors type 298 ...Single blade cutter 299 ..Manual control 300 ..Electrically actuated 301 ..Fluid actuated 253 .Thread end clamps 302 .Thread guiding or handling 254 .Tensioning 255 ..Intermittent 256 .Lubricating 257 .Attachment holders 258 .Frames 259 ..Heads 260 ..Work supports 261 .Guards 262.1 METHODS 262.2 .Tubelike workpiece, e.g., hosiery, necktie, etc. 262.3 .Workpiece manipulated by mechanical means, other than straight-line feeding 263.1 .Headwear sewing 264.1 .Buttonhole or eyelet forming 265.1 .Article attaching 265.2 ..Slide fastener or zipper tapes 266.1 .Ornamental stitching 266.2 ..Pilelike fabric forming, e.g., tufting 267.1 .Blind stitch forming 268.1 ..Overedge 269.1 .Overedge 1 MISCELLANEOUS * ****************************** * DIGESTS * ****************************** DIG 1 Suction thread cutting DIG 2 Air work handlingg DIG 3 Pneumatic