Inventor

Wilhelm Gollner

Inventor

Neumunster, DE

Overview

1993–2013

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 16 as inventor

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

F16Hprimary

F16HGearing39%

F04BPositive-displacement machines for liquids35%

F15BSystems acting by means of fluids in general13%

B60TVehicle brake control systems or parts thereof4%

F03CPositive-displacement engines driven by liquids4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

8,528,594'Hydraulic system with leakage fluid removal'2013 8,156,738'Hydrostatic transmission having two axial piston units'2012 8,142,170'Radial piston pump'2012 7,892,130'Transmission concept for dual yoke hydrostatic units'2011 6,837,046'Control device for a proportionally adjustable hydraulic pump and a variable displacement pump for a hydrostatic drive'2005 6,485,387'Apparatus and method for determining the output speed of a hydrostatic unit in a hydro-mechanical transmission'2002 6,339,928'System for controlling a hydraulic propulsion drive'2002 6,283,721'Production of hydrostatic axial piston machines by means of stepper motors'2001 6,260,468'Single-piece proportional control'2001 6,257,119'Ball joint for servo piston actuation in a bent axis hydraulic unit'2001 6,202,783'Hydrostatically driven vehicle with retarder valve'2001 5,881,629'Control device for variable hydraulic machines'1999 5,703,345'Hydrostatic drive with data carrier control'1997 5,628,187'Method to calibrate a hydrostatic transmission with electronic controls'1997 5,390,759'Driving mechanism for an automotive propel drive'1995 5,205,201'Displacement control valve'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2001Patents assigned to SAUER INC (6)· patent assignee history

1993–2013Based in Neumunster, DE· patent location history

2001–2013Patents assigned to SAUER DANFOSS INC (8)· patent assignee history

2002Patents assigned to DEERE & CO (1)· patent assignee history

2002Based in Neumnster, DE· patent location history

2011Patents assigned to SAUER DAFOSS INC (1)· patent assignee history

2012–2013Patents assigned to GOLLNER WILHELM (3)· patent assignee history

2012Based in Neumuenster, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAUER DANFOSS INC	8	2001–2013
SAUER INC	6	1993–2001
GOLLNER WILHELMself	3	2012–2013
DEERE & CO	1	2002
SAUER DAFOSS INC	1	2011

Locations

Location	Patents	Span
Neumunster, DE	13	1993–2013
Neumnster, DE	2	2002
Neumuenster, DE	1	2012