Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 251/625.32
Name: Valves and valve actuation >
Description:










Sub-classes under this class:

Class Number Class Name Patents
251/1.1 Blow-out preventers (i.e., cooperating segments of annulus) 112
251/11 Heat or buoyancy motor actuated 381
251/117 With restrictor in parallel to main valve 100
251/118 With material guide or restrictor 280
251/12 Fluid actuated or retarded 70
251/128 With detachable actuator and means to prevent leakage when actuator is detached 19
251/129.01 Electrically actuated valve 586
251/142 With correlated flow path 23
251/157 With means to increase head and seat contact pressure 8
251/205 With selective flow regulation 248
251/210 Sequential opening or closing of serial ports in single flow line (e.g., anti-scoring) 100
251/211 Serial alternately closed ports 15
251/212 Relatively movable valve elements form single port closure (e.g., iris diaphragm) 180
251/213 Mechanical movement actuator 30
251/281 Balanced valves 18
251/284 Limit stop 149
251/289 Valve actuable from plural positions 31
251/290 Plural selective neutral positions for valve or actuator 14
251/291 Detachable actuator 205
251/293 Extension for actuator 93
251/294 Flexible actuator (e.g., bowden wire; chain) 202
251/295 Pedal actuator 76
251/296 Plural motions of actuator 21
251/297 With friction detent 286
251/298 Pivoted valves 225
251/3 Pattern tracer controlled actuator 5
251/304 Rotary valves 175
251/318 Reciprocating valve 107
251/335.1 Hermetic flexible wall seal for actuator 42
251/336 Biased valve 27
251/339 Valve actuator extending through fluid inlet or outlet 196
251/340 Valve actuator surrounding pipe, inlet or outlet 84
251/341 Valve actuator is valve casing or extension thereof 24
251/349 Valve actuator is inlet or outlet 53
251/355 With actuation lubricating means 67
251/356 Valve 124
251/369 Miscellaneous 16
251/4 Tube compressors 240
251/64 With non-fluid retarder 141
251/65 Permanent or constantly energized magnet actuator 626
251/66 Biased trip 49
251/75 With snap action 110
251/76 Impact type actuator 37
251/77 Lost motion between actuator and valve 202
251/84 Valve head movably connected for accommodation to seat 70
251/89 With means for blocking or disabling actuator 94
251/900 Valves with o-rings 272
251/901 Curtain type valves 125
251/902 Springs employed as valves 33
251/903 Needle valves 74
251/904 Snap fit plug valves 59
251/905 Movable coil electrical actuator (e.g., voice coil) 16


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Packaging article
Determining ill conditioning in square linear system of equations
Non-zero rounding and prediction mode selection techniques in video encoding
Monitoring cloud-runtime operations
Notification systems and methods that consider traffic flow predicament data
Automated dynamic differential data processing
Systems and methods for selective text to speech synthesis
  Randomly Featured Patents
Tire tread
Polyphonic music synthesizer
Semiconductor device having fully and partially depleted SOI elements on a substrate
Method and apparatus for verifying revocation status of a digital certificate
Apparatus for strapping a packaged item
Method and incinerator for incinerating halogenated organic compounds
Compounds useful as protein kinase inhibitors
Inkjet printer incorporating a spool-fed flexible capping member
Speech analysis method
Apparatus and method of play for a disc tossing game