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GRAY JR CHARLES L

Overview
  • Total Patents
    18
About

GRAY JR CHARLES L has a total of 18 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States. Its main competitors in its focus markets transport, environmental technology and engines, pumps and turbines are US GOV ENV PROTECTION AGENCY, KUMAZAKI KENTA and IDESHIO YUKIHIKO.

Patent filings in countries

World map showing GRAY JR CHARLES Ls patent filings in countries
# Country Total Patents
#1 United States 18

Patent filings per year

Chart showing GRAY JR CHARLES Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gray Jr Charles L 18
#2 Barba Daniel W 2
#3 Brusstar Matthew J 1
#4 Haugen David James 1
#5 Stuhldreher Mark 1
#6 Prince Michael 1

Latest patents

Publication Filing date Title
US2015082631A1 Method for assembling a bent-axis pump/motor
US2014311576A1 Integrated Hydraulic Accumulator Dual Shut-Off Valve
US2014271244A1 Radial hydraulic motor for a hydraulic hybrid vehicle
US2014200754A1 Methods of Operating a Series Hybrid Vehicle
US2014026853A1 Low temperature dual fuel combustion utilizing diesel and methanol fuels
US2013014499A1 Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motors
US2011153129A1 Methods for optimizing the efficiency of a series hybrid vehicle with multi-gear transmission
US2010275884A1 Quasi free piston engine
US2010077746A1 Efficiency turbocharged engine system with bottoming cycle, and method of operation
US2009320464A1 On-demand power brake system and method
US2008093152A1 Hydraulic hybrid vehicle method of safe operation
US2006021813A1 Independent displacement opposing pump/motors and method of operation
US2006042246A1 Efficient bypass valve for multi-stage turbocharging system