Brian D. Christoff

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulically operated actuator for controlling vehicle ride height
- Patent number 10,160,279
- Issue date Dec 25, 2018
- GM Global Technology Operations LLC
- Najmuddin Khaja
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Spring-based force-feedback device
- Patent number 10,155,505
- Issue date Dec 18, 2018
- GM Global Technology Operations LLC
- Brian D. Christoff
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Ride height control actuator
- Patent number 10,052,928
- Issue date Aug 21, 2018
- GM Global Technology Operations LLC
- Brian D. Christoff
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Press-fit installation tool with dynamic load assist and method of...
- Patent number 9,808,921
- Issue date Nov 7, 2017
- GM Global Technology Operations LLC
- Brian D. Christoff
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Control of adjustable ride height suspension
- Patent number 9,643,466
- Issue date May 9, 2017
- GM Global Technology Operations LLC
- Brian D. Christoff
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Spring-Based Force-Feedback Device
- Publication number 20180170325
- Publication date Jun 21, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Brian D. Christoff
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDRAULICALLY OPERATED ACTUATOR FOR CONTROLLING VEHICLE RIDE HEIGHT
- Publication number 20180141399
- Publication date May 24, 2018
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Najmuddin Khaja
- B60 - VEHICLES IN GENERAL
Information Patent Application
RIDE HEIGHT CONTROL ACTUATOR
- Publication number 20170291465
- Publication date Oct 12, 2017
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Brian D. Christoff
- B60 - VEHICLES IN GENERAL
Information Patent Application
PRESS-FIT INSTALLATION TOOL WITH DYNAMIC LOAD ASSIST AND METHOD OF...
- Publication number 20160129571
- Publication date May 12, 2016
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Brian D. Christoff
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS