Inventor

Robert E. Trimble

Inventor

Sullivan, IL, US

Overview

27→

Patents

2001–2009

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 27 as inventor

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

F04Bprimary

F04BPositive-displacement machines for liquids25%

F16KValves17%

Y10TTechnical subjects covered by former us classification15%

F16HGearing14%

F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines9%

F16DCouplings for transmitting rotation8%

F15BSystems acting by means of fluids in general6%

F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped3%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines3%

PatentTitleYear

7,568,497'Combined check valve and pressure relief valve'2009 7,566,207'Dual pump transmission'2009 7,516,615'Pump'2009 7,451,780'Multifunction valve for use in a hydraulic component'2008 7,367,353'Combined check valve and pressure relief valve'2008 7,340,892'Charge pump'2008 7,320,577'Dual pump transmission'2008 7,320,334'Valve Assembly'2008 7,263,829'Pump'2007 7,178,336'Pump'2007 7,168,247'Charge pump'2007 7,082,762'Pump'2006 7,066,199'Valve assembly'2006 7,028,708'Combined check valve and pressure relief valve'2006 6,997,099'Hydraulic pump apparatus'2006 6,986,363'Valve assembly for use in a hydraulic component'2006 6,964,280'Valve assembly for use in a hydraulic component'2005 6,889,595'Pump'2005 6,880,449'Center section and running components for hydrostatic unit and method of manufacture'2005 6,761,182'Method for configuration of a valve'2004 6,719,005'Combination check valve and pressure release valve'2004 6,694,729'Pump'2004 6,691,512'Hydraulic transmission with combination check valve and pressure release valve'2004 6,672,843'Dual pump apparatus comprising dual drive shafts and auxiliary pump'2004 6,526,748'Control device for hydraulic pump'2003 6,502,394'Pump'2003 6,332,393'Pump'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2009Patents assigned to HYDRO GEAR LTD PARTNERSHIP (27)· patent assignee history

2001–2009Based in Sullivan, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HYDRO GEAR LTD PARTNERSHIP	27	2001–2009

Locations

Location	Patents	Span
Sullivan, Illinois, US	27	2001–2009