Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/315.38
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > With mechanical movement between actuator and valve > Gear type
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8413957 Systems and methods and methods for valve control Apr. 9, 2013
5495868 Rotary vacuum-electric switch Mar. 5, 1996
5301708 Rotary plug valve actuator and associated rotary plug valve and associated method Apr. 12, 1994
5269339 Sealed bonnet for actuating a quarter turn valve assembly Dec. 14, 1993
5224829 Rotatable valve having upper and lower parts Jul. 6, 1993
4910807 Ratchet adjustment mechanism for bath waste and overflow systems Mar. 27, 1990
4905967 Interface design of two clamped-together parts Mar. 6, 1990
4893645 Control valve with improved dual mode operation and flow adjustment Jan. 16, 1990
4836497 Adjustable valve linkage Jun. 6, 1989
4727901 Ball valve Mar. 1, 1988
4585025 Mounting for a valve actuator Apr. 29, 1986
4546790 Fluid valve Oct. 15, 1985
4387735 Line removable valve structure with extensible seal rings on pipeline support structure Jun. 14, 1983
4231389 Removable operator for gate valves Nov. 4, 1980











 
 
  Recently Added Patents
Simplified algorithm for abnormal situation prevention in load following applications including plugged line diagnostics in a dynamic process
Control apparatus and control method
Phase locking loop
Engineered nucleic acids encoding a modified erythropoietin and their expression
Rewriting branch instructions using branch stubs
Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation
System and method of error reporting in a video distribution network
  Randomly Featured Patents
Automatically varying the transfer voltage in an electrophotographic development process based on the incoming path of the sheet of print media
New piperazinylalkylpiperazinedione compounds
Cross-country ski boot binding
System and method for extending depth of field in a lens system by use of color-dependent wavefront coding
Developer roller with semiconductive additive comprising a rubber body containing soyadimethylethyl-ammonium ethosulfate or (3-lauramidopropyl)trimethylammonium-methylsulfate
Virion assay method for use in in vitro screening of teratogens and carcinogens
Nuclear power station with a containment
Convective accelerometer with "positive" or "negative" inertial mass
Means for counterbalancing a material handling machine
Printer for feeding curled sheets