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Class Information
Number: 29/88R
Name: Metal working >
Description:










Sub-classes under this class:

Class Number Class Name Patents
29/10 Gem and jewel setting 83
29/11 Hinge making or assembling 78
29/12 Lacing-stud making 2
29/13 Paper-fastener making 11
29/14 Plow or cultivator iron making 8
29/15 Puddlers` balls making 0
29/16 Railway-chair making 5
29/17.1 Foil or other thin sheet-metal making or treating 27
29/2 Battery-grid making 223
29/2.1 Bias (i.e., helically) cutting of tubular stock 7
29/20 Spectacle-frame making 33
29/20.1 Spiral cutting of flat stock 0
29/21 Stereotype-plate finishing 2
29/21.1 Means for forming clench-tongue (e.g., for tieband) 38
29/22 Tire upsetting, with cutting, punching, etc. 1
29/23.1 Toothed-cylinder making apparatus (e.g., texture working cylinder) 4
29/23.51 Impeller making apparatus 48
29/24 Type finishing and grooving 1
29/24.5 Venetian blind assembling 94
29/25 Umbrella-frame making 12
29/25.01 Barrier layer or semiconductor device making 558
29/25.35 Piezoelectric device making 1,806
29/25.41 Electric condenser making 349
29/284 Miscellaneous apparatus 23
29/3 Buckle making 14
29/33R Plural diverse manufacturing apparatus including means for metal shaping or assembling 160
29/4 Button-fastener making 8
29/4.51 Shredding metal or metal wool article making 5
29/4.6 Cord heddle making 0
29/5 Cotter-pin making 4
29/560 Convertible metal working machine 118
29/592 Method of mechanical manufacture 154
29/6.01 Crankshaft making apparatus 75
29/6.1 Expanded metal making 119
29/650 Plural diverse manufacturing apparatus 27
29/7 Eyebolt or hook making 8
29/7.1 Fence barb making 29
29/700 Means to assemble or disassemble 228
29/76.1 Filing 25
29/8 Finger-ring forming or sizing 19
29/81.01 Scale remover or preventor 30
29/89.5 Burning in, wearing in, or oil burnishing 4
29/9 Fishhook making 2
29/90.01 Burnishing 168
29/900 Methods and apparatus for assembly by electrostatic attraction 11
29/901 Balancing method 36
29/902 Filter making 26
29/903 Firearm bolt making 2
29/904 Laminated metal article making 7
29/905 Making coil wound wall screen 2
29/906 Nuclear device making 2
29/91 Upholstered article making 68
29/DIG.1 Method or apparatus involving adhesive 30
29/DIG.10 Method or apparatus with die casting 2
29/DIG.100 Screw or cam conveyor 2
29/DIG.101 Pan, bed, or table 11
29/DIG.102 Debris chute 10
29/DIG.104 Tool or work attached 2
29/DIG.105 Assembly, magnetic, or indicia tool 12
29/DIG.11 Method or apparatus with drawing 8
29/DIG.12 Method or apparatus with electroplating 23
29/DIG.13 Method or apparatus with electric heating 4
29/DIG.14 Method or apparatus with enameling 0
29/DIG.15 Forming article on end of long stock and then cutting off 3
29/DIG.16 Method or apparatus with etching 50
29/DIG.17 Method or apparatus with making flow lines; crystals 0
29/DIG.18 Method or apparatus with forging 10
29/DIG.19 Method or apparatus with grinding 4
29/DIG.2 Method or apparatus using aluminum 4
29/DIG.20 Method or apparatus for double blank 0
29/DIG.21 Method or apparatus for heating 2
29/DIG.22 Method or apparatus using indium 6
29/DIG.23 Method or apparatus with knurling 17
29/DIG.24 Method or apparatus with local heating 26
29/DIG.25 Method or apparatus with particular material 24
29/DIG.26 Method or apparatus with machining 63
29/DIG.27 Method or apparatus using magnesium 1
29/DIG.28 Magnetic recording digest 6
29/DIG.29 Molding with other step 35
29/DIG.3 Method or apparatus with bending 7
29/DIG.30 Ornamenting with other step 1
29/DIG.31 Pressing powder with other step 54
29/DIG.32 Rolling with other step 21
29/DIG.33 Scoring with other step 3
29/DIG.34 Scaling with other step 5
29/DIG.35 Shrink fitting with other step 34
29/DIG.36 Shot blasting with other step 11
29/DIG.37 Stamping with other step 42
29/DIG.38 Spot welding with other step 8
29/DIG.39 Spraying with other step 17
29/DIG.4 Method or apparatus with brazing 10
29/DIG.40 Strips of repeated articles - cut up later 7
29/DIG.41 Taper tube making 3
29/DIG.42 Tension applied during working 8
29/DIG.43 Upsetting and flanging tube end 6
29/DIG.44 Vacuum 130
29/DIG.45 Titanium 11
29/DIG.46 Vibration 37
29/DIG.47 Extruding with other step 45
29/DIG.48 Welding with other step 75
29/DIG.49 Work hardening with other step 14
29/DIG.5 Method or apparatus with casting 10
29/DIG.50 Cutting fluid application and debris control 9
29/DIG.51 Power stop control for movable element 2
29/DIG.52 Chip breaker 2
29/DIG.53 Workpiece and debris separator 2
29/DIG.54 Fluid control interrelated with machine tool mechanism 3
29/DIG.55 With cutter drive 0
29/DIG.56 With shield or hood movements 44
29/DIG.57 With cutter feed 0
29/DIG.59 Hood actuated by tool or work approach 12
29/DIG.6 Method or apparatus with centrifugal casting 1
29/DIG.60 Progressive displacement of hood 7
29/DIG.61 Plural-type debris removers 4
29/DIG.62 Rubbing transfer of solid coating to rotating element 1
29/DIG.63 Fluid conveyor or applicator 4
29/DIG.64 Ambulatory cutter with fluent conduit 0
29/DIG.65 Cutter contained supply reservoir 0
29/DIG.66 Fluid flow to channeled cutter 1
29/DIG.67 Rotating cutter 7
29/DIG.68 Hollow spindle contains 0
29/DIG.69 Fluid spreader contacts cutter 0
29/DIG.7 Method or apparatus with cleaning 4
29/DIG.70 Rotary or oscillating fluid applicator 2
29/DIG.71 Complete immersion of cutter 1
29/DIG.72 Dip or splash supply 2
29/DIG.73 Chain or belt conveyor 4
29/DIG.74 Partial immersion of cutter 2
29/DIG.75 Adjustable liquid level 0
29/DIG.76 Movable liquid-carrying trough 0
29/DIG.77 With separator or filter 8
29/DIG.78 Air blast and/or vacuum conveyor 15
29/DIG.79 Removable debris receptacle 5
29/DIG.8 Method or apparatus with composite casting 1
29/DIG.81 Gas as a conveyor 2
29/DIG.82 Air current generated by cutter 2
29/DIG.83 Fan coaxial with cutter 5
29/DIG.84 Vacuum exhaust type 9
29/DIG.85 With fluid control valve 1
29/DIG.86 Hood encased cutter 17
29/DIG.87 Multiple fluid paths 9
29/DIG.88 By projecting, squirting or dripping 3
29/DIG.89 Gas entrained liquid supply 0
29/DIG.9 Method or apparatus with cup formed and bottom removed 1
29/DIG.90 Elevated tank supply 0
29/DIG.91 Plural discharge openings 4
29/DIG.92 Fluid channel in cutter 1
29/DIG.93 Plural discharge loci 1
29/DIG.94 Debris remover, catcher, or deflector 43
29/DIG.95 Magnetic or electrostatic 19
29/DIG.96 Mechanical removal assistant 2
29/DIG.97 Cutter engaging cleaner 0
29/DIG.98 Rotating, reciprocating or oscillating cleaner 4
29/DIG.99 Flexible conveyor 0


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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