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.
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363-131 121-55A 14-.5
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Class Number: 452
Class Title: BUTCHERING
Subclass Subclass
Number Title
1 CRUSTACEAN (E.G., SHRIMP, CRAB, LOBSTER, CRAYFISH)
2 .Shrimp processing
3 ..Deveining
4 ..Beheader
5 ..Peeler
6 .Hand tool
7 .Vibratory meat removal
8 .Meat removal by pressure differential
9 .Squeezing meat out
10 .Meat removal by centrifugal force
11 .Claw lock
12 MOLLUSK (E.G., OYSTER, CLAM, SQUID, MUSSEL, OCTOPUS, SNAIL,
SLUG, SCALLOP)
13 .Bivalve opener
14 ..With heat treatment
15 ..By pressure differential
16 ..Support and wedge
17 ..Hand tool
18 .Eviscerating
19 ..Pinching rollers
20 ..By fluid pressure
21 SHIRRING OF CASING
22 .Combined with sausage stuffing
23 .Multiple shirring devices operating simultaneously
24 .Shirring head
25 ..Moves about axis parallel to shirring mandrel
26 ..Combined with twisting of casing
27 .Fluid lubrication of casing
28 ..Inflation pressure control
29 .Severing into descrete lengths
30 SAUSAGE MAKING
31 .Automatic control
32 .Casing handling
33 ..Insertion on nozzle
34 ...Indexing onto stuffing horn
35 .Stuffing
36 ..Multiple head
37 ..Sausage sizing and shaping
38 ...Sizing ring
39 ...Casing insert (e.g., flat ended sausage)
40 ..Pump type
41 ...Rotary piston
42 ...Reciprocating piston
43 ....Fluid motor
44 ...Screw
45 ..Nozzle
46 .Linking
47 ..By twisting
48 ..By applying constricting member
49 .Delinking
50 .Peeling
51 .Sausage link handlingg
52 SLAUGHTERING
53 .Conveying live animals to slaughtering apparatus
54 .Restraint or immobilizer
55 ..Knocking pen
56 ..Fall directing device
57 .Stunning
58 ..Electric
59 ...Trough or tank
60 ...Hand held stunner
61 ..Spring loaded
62 ..Pneumatic
63 .Throat slitting or severing
64 ..Beheading
65 .Sticking
66 .Anesthetizing or gassing
67 .Bleeding
68 ..Suction assisted
69 ..Trocar and cannula
70 .Tongue protector
71 EPIDERMAL OUTGROWTH REMOVER
72 .Wax-type
73 .Singeing
74 .Scalding
75 ..With simultaneous scraping or defeathering
76 ...Spray type scalding
77 ..Spray type scalder
78 ..Tanks
79 ...Means for raising or lowering animals into or out of scalding
tank (e.g., hoists)
80 ...Conveyed through scalding tank
81 .By fluid material impingement
82 .Gripping type
83 ..And further including rotary type remover
84 ..At least one surface rotates and moves cyclically towards and
away from the other gripping surface
85 ...Pinched between roller nip
86 .Power driven
87 ..Beater (i.e., flexible end)
88 ...Rotary
89 ....Carcass conveyed past beater
90 .....Axis of rotation parallel to work path
91 .....Axis of rotation perpendicular to work path
92 ....Batch type
93 ....Beater element structure or mounting
94 ..Rotary scraper (i.e., rigid end)
95 ...Carcass conveyed past scraper
96 ...Batch (e.g., cradle)
97 ...Scraper element structure or mounting
98 ..Scaler (i.e., serrated or toothed end)
99 ...Rotary
100 ....Driven behind boat
101 ....Hand held
102 .Hand tool
103 ..Diverse tool
104 ..Scraper
105 ..Scaler
106 VISCERA PROCESSING
107 .Eviscerating including means to remove external portion off
animal
108 ..Removal of head with viscera
109 ..Removal of vent with viscera
110 .Roe or ova
111 .Gizzard
112 ..Harvesting
113 ..Opener
114 ...With cleaning
115 .Oil gland removers
116 .Pressure differential type
117 .Gripper or hook type eviscerator
118 .Spoon type eviscerator
119 .Rotary scrubber type eviscerator
120 .Venting or opening preparatory to eviscerating
121 ..Of fish
122 ..By tubular rotary cutter
123 .Viscera cleaner
124 .Giblet inserter
125 SKINNING
126 .Temperature modification perfects skinning operation
127 .Peeling by movement of workpiece past cutter
128 .Gripper or hook type
129 ..Drum skinner type
130 ..Skin pinching roller type
131 .Fluid pressure type
132 .Skinning implement (e.g., hand tool)
133 ..Power type
134 DEFATTER
135 DEBONING
136 .Plow type
137 ..Hand-held tool
138 .Pressure type
139 .Beater or abrader type
140 .Fluid impingement type
141 TENDERIZERS
142 .Coacting rolls
143 .Roll and plate
144 .Coacting toothed plates
145 .Hand roll
146 .Hand manipulated pounder
147 ..With chopper
148 SCORING CUTTERS
149 CARCASS SUBDIVISION
150 .Automatic control
151 ..Of cutters in series
152 ..Of splitting
153 ...Carcass oriented relative to cutter
154 ..Of extremity cutter
155 ..Of subdivision into portions
156 ...Movement of cutter controlled
157 ....By sensed dimensions of carcass
158 ....By sensed color variation
159 .....By manually placed markings
160 .Cutting longitudinally through body or body portion (i.e.,
splitters)
161 ..Fish filleting
162 ...Coacting rotary disc cutters
163 ..Means repositioning carcass relative to cutterr
164 ..Portable cutter
165 .While internally supported on a mandrel
166 .Extremity remover
167 ..Carcass suspended during removing
168 ...Neck puller
169 ..Wing remover
170 ..Carcass conveyed to cutter in horizontal position
171 .Loin remover
172 SINEW REMOVER
173 WASHER
174 MODELLING (E.G., SHAPING)
175 .Bacon stretcher
176 .Visceral cavity closure
177 CONVEYER
178 .Elevating
179 .Orienting
180 .Registering (i.e., aligning)
181 .Metering (e.g., from bulk supply)
182 .Transfer from one conveyor to another
183 .Loading or unloading
184 .Sorting
185 SUPPORT
186 .Smoke stick
187 .Carcass or portion suspended (i.e., hanger)
188 ..Fowl
189 ..Gambrel
190 ...Grappling
191 ...Weight of suspended carcass spreads carcass engaging means
apart
192 ...Foldable to facilitate transport
193 ..Bacon hanger
194 .Underlying support
195 ..With clamp (clipboard type)
196 ..With prong (e.g., impaling means)
197 .Carcass spreader
198 MISCELLANEOUS