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[Search a list of Patent Appplications for class 452]  Class   452BUTCHERING
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   [List of Patents for class 452 subclass 1]  1           CRUSTACEAN (E.G., SHRIMP, CRAB, LOBSTER, CRAYFISH)
   [List of Patents for class 452 subclass 2]  2           Subclass 2 indent level is 1 Shrimp processing
    [List of Patents for class 452 subclass 3]  3           Subclass 3 indent level is 2 Deveining
    [List of Patents for class 452 subclass 4]  4           Subclass 4 indent level is 2 Beheader
    [List of Patents for class 452 subclass 5]  5           Subclass 5 indent level is 2 Peeler
    [List of Patents for class 452 subclass 6]  6           Subclass 6 indent level is 1 Hand tool
    [List of Patents for class 452 subclass 7]  7           Subclass 7 indent level is 1 Vibratory meat removal
    [List of Patents for class 452 subclass 8]  8           Subclass 8 indent level is 1 Meat removal by pressure differential
    [List of Patents for class 452 subclass 9]  9           Subclass 9 indent level is 1 Squeezing meat out
    [List of Patents for class 452 subclass 10]  10           Subclass 10 indent level is 1 Meat removal by centrifugal force
    [List of Patents for class 452 subclass 11]  11           Subclass 11 indent level is 1 Claw lock
   [List of Patents for class 452 subclass 12]  12           MOLLUSK (E.G., OYSTER, CLAM, SQUID, MUSSEL, OCTOPUS, SNAIL, SLUG, SCALLOP)
   [List of Patents for class 452 subclass 13]  13           Subclass 13 indent level is 1 Bivalve opener
    [List of Patents for class 452 subclass 14]  14           Subclass 14 indent level is 2 With heat treatment
    [List of Patents for class 452 subclass 15]  15           Subclass 15 indent level is 2 By pressure differential
    [List of Patents for class 452 subclass 16]  16           Subclass 16 indent level is 2 Support and wedge
    [List of Patents for class 452 subclass 17]  17           Subclass 17 indent level is 2 Hand tool
   [List of Patents for class 452 subclass 18]  18           Subclass 18 indent level is 1 Eviscerating
    [List of Patents for class 452 subclass 19]  19           Subclass 19 indent level is 2 Pinching rollers
    [List of Patents for class 452 subclass 20]  20           Subclass 20 indent level is 2 By fluid pressure
   [List of Patents for class 452 subclass 21]  21           SHIRRING OF CASING
    [List of Patents for class 452 subclass 22]  22           Subclass 22 indent level is 1 Combined with sausage stuffing
    [List of Patents for class 452 subclass 23]  23           Subclass 23 indent level is 1 Multiple shirring devices operating simultaneously
   [List of Patents for class 452 subclass 24]  24           Subclass 24 indent level is 1 Shirring head
    [List of Patents for class 452 subclass 25]  25           Subclass 25 indent level is 2 Moves about axis parallel to shirring mandrel
    [List of Patents for class 452 subclass 26]  26           Subclass 26 indent level is 2 Combined with twisting of casing
   [List of Patents for class 452 subclass 27]  27           Subclass 27 indent level is 1 Fluid lubrication of casing
    [List of Patents for class 452 subclass 28]  28           Subclass 28 indent level is 2 Inflation pressure control
    [List of Patents for class 452 subclass 29]  29           Subclass 29 indent level is 1 Severing into descrete lengths
   [List of Patents for class 452 subclass 30]  30           SAUSAGE MAKING
    [List of Patents for class 452 subclass 31]  31           Subclass 31 indent level is 1 Automatic control
   [List of Patents for class 452 subclass 32]  32           Subclass 32 indent level is 1 Casing handling
   [List of Patents for class 452 subclass 33]  33           Subclass 33 indent level is 2 Insertion on nozzle
    [List of Patents for class 452 subclass 34]  34           Subclass 34 indent level is 3 Indexing onto stuffing horn
   [List of Patents for class 452 subclass 35]  35           Subclass 35 indent level is 1 Stuffing
    [List of Patents for class 452 subclass 36]  36           Subclass 36 indent level is 2 Multiple head
   [List of Patents for class 452 subclass 37]  37           Subclass 37 indent level is 2 Sausage sizing and shaping
    [List of Patents for class 452 subclass 38]  38           Subclass 38 indent level is 3 Sizing ring
    [List of Patents for class 452 subclass 39]  39           Subclass 39 indent level is 3 Casing insert (e.g., flat ended sausage)
   [List of Patents for class 452 subclass 40]  40           Subclass 40 indent level is 2 Pump type
    [List of Patents for class 452 subclass 41]  41           Subclass 41 indent level is 3 Rotary piston
   [List of Patents for class 452 subclass 42]  42           Subclass 42 indent level is 3 Reciprocating piston
    [List of Patents for class 452 subclass 43]  43           Subclass 43 indent level is 4 Fluid motor
    [List of Patents for class 452 subclass 44]  44           Subclass 44 indent level is 3 Screw
    [List of Patents for class 452 subclass 45]  45           Subclass 45 indent level is 2 Nozzle
   [List of Patents for class 452 subclass 46]  46           Subclass 46 indent level is 1 Linking
    [List of Patents for class 452 subclass 47]  47           Subclass 47 indent level is 2 By twisting
    [List of Patents for class 452 subclass 48]  48           Subclass 48 indent level is 2 By applying constricting member
    [List of Patents for class 452 subclass 49]  49           Subclass 49 indent level is 1 Delinking
    [List of Patents for class 452 subclass 50]  50           Subclass 50 indent level is 1 Peeling
    [List of Patents for class 452 subclass 51]  51           Subclass 51 indent level is 1 Sausage link handling
   [List of Patents for class 452 subclass 52]  52           SLAUGHTERING
    [List of Patents for class 452 subclass 53]  53           Subclass 53 indent level is 1 Conveying live animals to slaughtering apparatus
   [List of Patents for class 452 subclass 54]  54           Subclass 54 indent level is 1 Restraint or immobilizer
    [List of Patents for class 452 subclass 55]  55           Subclass 55 indent level is 2 Knocking pen
    [List of Patents for class 452 subclass 56]  56           Subclass 56 indent level is 2 Fall directing device
   [List of Patents for class 452 subclass 57]  57           Subclass 57 indent level is 1 Stunning
   [List of Patents for class 452 subclass 58]  58           Subclass 58 indent level is 2 Electric
    [List of Patents for class 452 subclass 59]  59           Subclass 59 indent level is 3 Trough or tank
    [List of Patents for class 452 subclass 60]  60           Subclass 60 indent level is 3 Hand held stunner
    [List of Patents for class 452 subclass 61]  61           Subclass 61 indent level is 2 Spring loaded
    [List of Patents for class 452 subclass 62]  62           Subclass 62 indent level is 2 Pneumatic
   [List of Patents for class 452 subclass 63]  63           Subclass 63 indent level is 1 Throat slitting or severing
    [List of Patents for class 452 subclass 64]  64           Subclass 64 indent level is 2 Beheading
    [List of Patents for class 452 subclass 65]  65           Subclass 65 indent level is 1 Sticking
    [List of Patents for class 452 subclass 66]  66           Subclass 66 indent level is 1 Anesthetizing or gassing
   [List of Patents for class 452 subclass 67]  67           Subclass 67 indent level is 1 Bleeding
    [List of Patents for class 452 subclass 68]  68           Subclass 68 indent level is 2 Suction assisted
    [List of Patents for class 452 subclass 69]  69           Subclass 69 indent level is 2 Trocar and cannula
    [List of Patents for class 452 subclass 70]  70           Subclass 70 indent level is 1 Tongue protector
   [List of Patents for class 452 subclass 71]  71           EPIDERMAL OUTGROWTH REMOVER
    [List of Patents for class 452 subclass 72]  72           Subclass 72 indent level is 1 Wax-type
    [List of Patents for class 452 subclass 73]  73           Subclass 73 indent level is 1 Singeing
   [List of Patents for class 452 subclass 74]  74           Subclass 74 indent level is 1 Scalding
   [List of Patents for class 452 subclass 75]  75           Subclass 75 indent level is 2 With simultaneous scraping or defeathering
    [List of Patents for class 452 subclass 76]  76           Subclass 76 indent level is 3 Spray type scalding
    [List of Patents for class 452 subclass 77]  77           Subclass 77 indent level is 2 Spray type scalder
   [List of Patents for class 452 subclass 78]  78           Subclass 78 indent level is 2 Tanks
    [List of Patents for class 452 subclass 81]  81           Subclass 81 indent level is 1 By fluid material impingement
   [List of Patents for class 452 subclass 82]  82           Subclass 82 indent level is 1 Gripping type
    [List of Patents for class 452 subclass 83]  83           Subclass 83 indent level is 2 And further including rotary type remover
   [List of Patents for class 452 subclass 84]  84           Subclass 84 indent level is 2 At least one surface rotates and moves cyclically towards and away from the other gripping surface
    [List of Patents for class 452 subclass 85]  85           Subclass 85 indent level is 3 Pinched between roller nip
   [List of Patents for class 452 subclass 86]  86           Subclass 86 indent level is 1 Power driven
   [List of Patents for class 452 subclass 87]  87           Subclass 87 indent level is 2 Beater (i.e., flexible end)
   [List of Patents for class 452 subclass 88]  88           Subclass 88 indent level is 3 Rotary
   [List of Patents for class 452 subclass 89]  89           Subclass 89 indent level is 4 Carcass conveyed past beater
    [List of Patents for class 452 subclass 92]  92           Subclass 92 indent level is 4 Batch type
    [List of Patents for class 452 subclass 93]  93           Subclass 93 indent level is 4 Beater element structure or mounting
   [List of Patents for class 452 subclass 94]  94           Subclass 94 indent level is 2 Rotary scraper (i.e., rigid end)
    [List of Patents for class 452 subclass 95]  95           Subclass 95 indent level is 3 Carcass conveyed past scraper
    [List of Patents for class 452 subclass 96]  96           Subclass 96 indent level is 3 Batch (e.g., cradle)
    [List of Patents for class 452 subclass 97]  97           Subclass 97 indent level is 3 Scraper element structure or mounting
   [List of Patents for class 452 subclass 98]  98           Subclass 98 indent level is 2 Scaler (i.e., serrated or toothed end)
   [List of Patents for class 452 subclass 99]  99           Subclass 99 indent level is 3 Rotary
    [List of Patents for class 452 subclass 100]  100           Subclass 100 indent level is 4 Driven behind boat
    [List of Patents for class 452 subclass 101]  101           Subclass 101 indent level is 4 Hand held
   [List of Patents for class 452 subclass 102]  102           Subclass 102 indent level is 1 Hand tool
    [List of Patents for class 452 subclass 103]  103           Subclass 103 indent level is 2 Diverse tool
    [List of Patents for class 452 subclass 104]  104           Subclass 104 indent level is 2 Scraper
    [List of Patents for class 452 subclass 105]  105           Subclass 105 indent level is 2 Scaler
   [List of Patents for class 452 subclass 106]  106           VISCERA PROCESSING
   [List of Patents for class 452 subclass 107]  107           Subclass 107 indent level is 1 Eviscerating including means to remove external portion of animal
    [List of Patents for class 452 subclass 108]  108           Subclass 108 indent level is 2 Removal of head with viscera
    [List of Patents for class 452 subclass 109]  109           Subclass 109 indent level is 2 Removal of vent with viscera
    [List of Patents for class 452 subclass 110]