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US ENVIRONMENTAL PROTECTION

Overview
  • Total Patents
    14
About

US ENVIRONMENTAL PROTECTION has a total of 14 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States, China and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are BUECHI ALFRED, LAURIN LAURENTIUS and MOIROUX AUGUSTE.

Patent filings per year

Chart showing US ENVIRONMENTAL PROTECTIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gray Jr Charles L 5
#2 Haugen David James 5
#3 Brusstar Matthew J 3
#4 Gray Charles L Jr 1
#5 Gill David K 1
#6 James Haugen David 1
#7 Fuqua Kevin Berent 1
#8 Moskalik Andrew J 1
#9 James Gray Charles L Jr Haugen 1
#10 Moffat Craig Douglas 1

Latest patents

Publication Filing date Title
US2009095366A1 Hydraulic pressure accumulator
US2007220864A1 Control methods for low emission internal combustion system
CN101091041A Efficient bypass valve for multi-stage turbocharging system
US2006042247A1 Multi-stage turbocharging system with efficient bypass
US2005238517A1 Large angle sliding valve plate pump/motor
US2005226748A1 Hydraulic machine having pressure equalization
US2005120873A1 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor
US2004178635A1 Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source