Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 236/80G
Name: Automatic temperature and humidity regulation > Motors > Fluid-operated > Relay > Shunt > Piston-type valve operator
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
6290139 Hydraulically actuated mixing valve Sep. 18, 2001
4475686 Valve for liquid injection into a refrigerant evaporator Oct. 9, 1984
4291544 Control apparatus for the low pressure evaporator of a refrigeration plant Sep. 29, 1981
4248058 Differential piston type reversing valve construction, system utilizing the same and method of making Feb. 3, 1981











 
 
  Recently Added Patents
Apparatus and methods for providing efficient space-time structures for preambles, pilots and data for multi-input, multi-output communications systems
Solar power system with communication network utilizing magnetic fields
Television apparatus
System and method of improving audio signals for the hearing impaired
Semiconductor device and manufacturing method thereof
Tuning peg for a stringed instrument
TPO compositions, articles, and methods of making the same
  Randomly Featured Patents
System and method for implementing efficient decoded buffer management in multi-view video coding
Circuit of boosting a voltage for use in a flash memory device
Microorganism
Method of operating a flash memory device
Use of templates for cost-effective secure linking of video stream objects
Method and apparatus for managing intelligent assets in a distributed environment
Image forming apparatus in which electroconductive particles are supplied to charging means from developing device by way of image bearing member
Cordless vacuum cleaner with power brush
Thermal icing conditions detector
Packet routing system and method