Inventor

Charles L. Gray, Jr.

Inventor
Pinckney, MI, US

Overview

89→
Patents
1986–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 89 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Tprimary
Y02TClimate change mitigation technologies related to transportation18%
F02BInternal-combustion piston engines11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles10%
B60WConjoint control of vehicle sub-units of different type or different function7%
F16HGearing6%
F02DControlling combustion engines6%
F04BPositive-displacement machines for liquids6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
F15BSystems acting by means of fluids in general3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,107,816G-protein coupled receptor-associated diagnostics and therapeutics for B-cell chronic lymphocytic leukemia20189,346,347'Methods for safe operation of hydraulic hybrid vehicles with over-center pump/motors'20169,121,395'Method for assembling a bent-axis pump/motor'20158,985,089'Low temperature dual fuel combustion utilizing diesel and methanol fuels'20158,893,491'Modular hydraulic hybrid drivetrain'20148,646,565'Hydraulic hybrid vehicle method of safe operation'20148,603,777'Expression of factor VII and IX activities in mammalian cells'20138,522,546'On-demand power brake system and method'20138,407,999'Efficiency turbocharged engine system with bottoming cycle, and method of operation'20138,387,385'Efficient bypass valve for multi-stage turbocharging system'20138,381,851'Methods of operating a series hybrid vehicle'20138,375,982'Hydraulic circuit and manifold with multifunction valve'20138,356,547'Variable length bent-axis pump/motor'20138,306,682'Methods for optimizing the efficiency of a series hybrid vehicle with multi-gear transmission'20128,272,356'Two mode dual crankshaft engine'20128,177,009'Independent displacement opposing pump/motors and method of operation'20128,162,094'Hydraulic hybrid vehicle with large-ratio shift transmission and method of operation thereof'20128,118,132'Hydraulic hybrid vehicle method of safe operation'20128,104,436'Quasi free piston engine'20128,100,221'Engine-off power steering system'20128,069,657'Diesel particulate filter regeneration system'20118,065,990'Low emission dimethyl ether (DME) engine'20118,052,116'Quiet fluid supply valve'20118,020,587'Piston-in sleeve hydraulic pressure accumulator'20118,011,600'Fuel injector nozzle'20117,987,940'Hydraulic accumulator and fire suppression system'20117,984,783'Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof'20117,857,082'Methods of operating a series hybrid vehicle'20107,677,871'High-efficiency, large angle, variable displacement hydraulic pump/motor'20107,617,761'Opposing pump/motors'20097,594,802'Large angle sliding valve plate pump/motor'20097,553,085'Fluid bearing and method of operation'20097,537,075'Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof'20097,527,074'Hydraulic pressure accumulator'20097,500,424'Hydraulic machine having pressure equalization'20097,464,697'High-pressure fuel intensifier system'20087,456,509'Methods of operating a series hybrid vehicle'20087,374,005'Opposing pump/motors'20087,343,775'Device for continuous calibration of a gas mass flow measurement device'20087,337,869'Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof'20087,305,914'Hydraulic actuator control valve'20077,305,915'Efficient pump/motor with reduced energy loss'20077,252,020'Vehicle drive-train including a clutchless transmission, and method of operation'20077,237,532'Methods of operation for controlled temperature combustion engines using gasoline-like fuel, particularly multicylinder homogenous charge compression ignition (HCCI) engines'20077,121,304'Low permeation hydraulic accumulator'20067,108,016'Lightweight low permeation piston-in-sleeve accumulator'20067,104,349'Hybrid powertrain motor vehicle with homogenous charge compression ignition (HCCI) engine, and method of operation thereof'20067,047,933'Low emission fuel for use with controlled temperature combustion, direct injection, compression ignition engines'20067,047,741'Methods for low emission, controlled temperature combustion in engines which utilize late direct cylinder injection of fuel'20067,032,385'Multi-crankshaft, variable-displacement engine'20067,025,042'Methods of operation for controlled temperature combustion engines using gasoline-like fuel, particularly multicylinder homogenous charge compression ignition (HCCI) engines'20067,014,429'High-efficiency, large angle, variable displacement hydraulic pump/motor'20066,998,727'Methods of operating a parallel hybrid vehicle having an internal combustion engine and a secondary power source'20066,996,982'Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor'20066,910,459'HCCI engine with combustion-tailoring chamber'20056,876,098'Methods of operating a series hybrid vehicle'20056,857,263'Low emission diesel combustion system with low charge-air oxygen concentration levels and high fuel injection pressures'20056,752,105'Piston-in-piston variable compression ratio engine'20046,719,080'Hydraulic hybrid vehicle'20046,652,247'Fully-controlled, free-piston engine'20036,651,432'Controlled temperature combustion engine'20036,619,325'Hydraulic hybrid accumulator shut-off valve'20036,582,204'Fully-controlled, free-piston engine'20036,578,533'Controlled homogeneous-charge, compression-ignition engine'20036,470,682'Low emission, diesel-cycle engine'20026,415,607'High efficiency, air bottoming engine'20026,386,154'Pumped EGR system'20026,301,888'Low emission, diesel-cycle engine'20016,301,891'High efficiency, air bottoming engine'20016,216,462'High efficiency, air bottoming engine'20016,202,416'Dual-cylinder expander engine and combustion method with two expansion strokes per cycle'20016,189,493'Torque balanced opposed-piston engine'20016,186,126'Phase change heat engine'20016,170,524'Fast valve and actuator'20015,887,674'Continuously smooth transmission'19995,617,823'Spark-ignited reciprocating piston engine having a subdivided combustion chamber'19975,611,300'Floating piston, piston-valve engine'19975,609,131'Multi-stage combustion engine'19975,579,640'Accumulator engine'19965,562,079'Low-temperature, near-adiabatic engine'19965,549,087'Combined cycle engine'19965,507,144'Lightweight, safe hydraulic power system and a method of operation thereof'19965,505,527'Anti-lock regenerative braking system'19965,495,912'Hybrid powertrain vehicle'19965,317,148'IR/ladar scanner'19945,095,758'Water cut monitoring means and method'19925,070,725'Water-cut monitoring means and method'19914,784,950'Expression of factor VII activity in mammalian cells'19884,606,415'Method and system for detecting and identifying abnormal drilling conditions'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Based in Houston, TX, US· patent location history
1996–1997Patents assigned to US ARMY (8)· patent assignee history
1996–2016Based in Pinckney, MI, US· patent location history
1996–2011Based in Pickney, MI, US· patent location history
1999–2014Patents assigned to US ENVIRONMENT (45)· patent assignee history
2001–2006Patents assigned to US ADM UNITED STATES ENVIRONME (6)· patent assignee history
2011–2016Patents assigned to GRAY JR CHARLES L (20)· patent assignee history
2012–2016Patents assigned to US OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE U S ENVIRONMENTAL PROT AGENCY (8)· patent assignee history
2013Based in King County, WA, US· patent location history
2018Based in San Diego, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US ENVIRONMENT451999–2014
GRAY JR CHARLES Lself202011–2016
US ARMY81996–1997
US OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE U S ENVIRONMENTAL PROT AGENCY82012–2016
US ADM UNITED STATES ENVIRONME62001–2006
Locations
LocationPatentsSpan
Pinckney, MI, US761996–2016
Pickney, MI, US51996–2011
Houston, Texas, US31986–1992
San Diego, California, US12018
King County, Washington, US12013