Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 251/304
Name: Valves and valve actuation > Rotary valves
Description: Subject matter comprising a valve head which only rotates about its axis and has a flow passage within it.










Sub-classes under this class:

Class Number Class Name Patents
251/315.01 Ball valve 133
251/313 Biased 48
251/305 Butterfly 510
251/309 Plug 238
251/314 Seat or interface seal 121


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8632054 Valve actuator assembly with tool-less interconnect Jan. 21, 2014
8622010 Seacock closing system Jan. 7, 2014
8550431 Shaft connection between two shafts Oct. 8, 2013
8444594 System for removal and infusion of body fluid, and method for its operation May. 21, 2013
8408837 Collets for use with valves Apr. 2, 2013
8383071 Process for dilute phase injection of dry alkaline materials Feb. 26, 2013
8347831 Sealed control valve for a fluid flow circuit Jan. 8, 2013
8316820 Throttle providing unobstructed air flow path when fully open and vortex generating configuration when partly open Nov. 27, 2012
8308132 Hemi-wedge verifiable shutoff valve Nov. 13, 2012
8281812 Valve with low friction coating Oct. 9, 2012
8205633 Collets for use with valves Jun. 26, 2012
8183741 Valves based on reversible piezoelectric rotary motor May. 22, 2012
8127793 Rotary valve apparatus Mar. 6, 2012
8118277 Intercepting valve Feb. 21, 2012
8104281 Nested valve and method of control Jan. 31, 2012
8052065 Tapered high pressure rotary feed valves Nov. 8, 2011
8047060 Method and apparatus for sample injection in liquid chromatography Nov. 1, 2011
7955021 Collets for use with valves Jun. 7, 2011
7946558 High-pressure plug valve May. 24, 2011
7874542 Actuator levers, collets, and collet removers Jan. 25, 2011
7828012 Port integrated within valve stem Nov. 9, 2010
7765879 Flow control valve for measuring flow coefficient and flow rate Aug. 3, 2010
7758536 Subcutaneous valve Jul. 20, 2010
7726338 Valve with ceramic discs Jun. 1, 2010
7669834 Hose end lever controlled ball spigot valve Mar. 2, 2010
7631505 Wearless valve for cryorefrigerator Dec. 15, 2009
7621502 Minimal-compression butterfly valve Nov. 24, 2009
7510167 Isolation damper and method of forming airtight seal Mar. 31, 2009
7506858 Tube-end butterfly metering and shutoff valve Mar. 24, 2009
7404543 Slow closing actuator and valve Jul. 29, 2008
7302930 Air induction system and assembly method for an intake manifold with a single shaft and sensor for activating air control valves Dec. 4, 2007
7287550 Assembly consisting of a valve member and adjustment device for a vehicle servo-steering arrangement Oct. 30, 2007
7261126 Control valve Aug. 28, 2007
7195229 Automatic sampler Mar. 27, 2007
7159848 Clamping systems Jan. 9, 2007
7140593 Bi-directional air flow damper having uni-directional synchronous motor Nov. 28, 2006
7093817 Flow control assemblies having integrally formed shape memory alloy actuators Aug. 22, 2006
7083158 Remote operable corporation stop for water supply sources Aug. 1, 2006
7073774 Air intake adjusting assembly for pnuematic tools Jul. 11, 2006
7011292 Bi-leaved valve apparatus Mar. 14, 2006
7007922 Rotating regulating device Mar. 7, 2006
6994100 Metering valve Feb. 7, 2006
6969045 Rotary valve Nov. 29, 2005
6929237 Valve actuation system and methods for pipeline valves Aug. 16, 2005
6918573 Microvalve Jul. 19, 2005
6902704 Injection pump assembly for a combinatorial reactor and related method Jun. 7, 2005
6845968 Flow-switching microdevice Jan. 25, 2005
6845917 Water outlet structure of ceramic control valve for single-handled faucet Jan. 25, 2005
6843264 Multi-phase pressure control valve for process chamber Jan. 18, 2005
6789565 Metering valve Sep. 14, 2004

1 2 3 4










 
 
  Recently Added Patents
Inductive signal transfer system for computing devices
System and method for generating profile morphing using cephalometric tracing data
Backup and recovery of distributed storage areas
Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning device
Restarting event and alert analysis after a shutdown in a distributed processing system
Area efficient through-hole connections
Method and device for processing broadcast packets/multicast control messages
  Randomly Featured Patents
Bus side light system
Fault monitor for restarting failed instances of the fault monitor
Valve assembly having multiple rate shaping capabilities and fuel injector using same
Safety hook and latch plate therefor
Power steering mechanism
X-ray foreign-body detector
Hand held data processing apparatus
Laser based reflectors for GPS positioning augmentation
Method and apparatus for single cycle processing of data associated with separate accumulators in a dual multiply-accumulate architecture
Device for mounting an induced-draft fan pipe on an electric soldering iron