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Wei Ma
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Richmond Hill, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Endless drive arrangement and tensioning system for same
Patent number
11,181,171
Issue date
Nov 23, 2021
Litens Automotive Partnership
Wei Ma
B60 - VEHICLES IN GENERAL
Information
Patent Grant
V tensioner and endless drive arrangement
Patent number
11,174,921
Issue date
Nov 16, 2021
Litens Automotive Partnership
Michael B. Fischer
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Accessory drive tensioner with improved arrangement of tensioner ar...
Patent number
10,393,238
Issue date
Aug 27, 2019
Litens Automotive Partnership
Matthew V. Robertson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Tensioner with improved damping
Patent number
9,982,761
Issue date
May 29, 2018
Litens Automotive Partnership
Wei Ma
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ENDLESS DRIVE ARRANGEMENT AND TENSIONING SYSTEM FOR SAME
Publication number
20190285148
Publication date
Sep 19, 2019
Litens Automotive Partnership
Wei MA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
V TENSIONER AND ENDLESS DRIVE ARRANGEMENT
Publication number
20190242463
Publication date
Aug 8, 2019
Litens Automotive Partnership
Michael B. FISCHER
B60 - VEHICLES IN GENERAL
Information
Patent Application
ACCESSORY DRIVE TENSIONER WITH IMPROVED ARRANGEMENT OF TENSIONER AR...
Publication number
20180066733
Publication date
Mar 8, 2018
Litens Automotive Partnership
Matthew V. ROBERTSON
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
TENSIONER WITH IMPROVED DAMPING
Publication number
20160146313
Publication date
May 26, 2016
Litens Automotive Partnership
Wei Ma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VENT STRUCTURE FOR TENSIONER
Publication number
20150247558
Publication date
Sep 3, 2015
LITENS AUTOMOTIVE PARTNERSHIP
Gerald J. Hamers
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
TENSIONER WITH DAMPING STRUCTURE MADE FROM TWO COMPONENTS WITH NO R...
Publication number
20140287860
Publication date
Sep 25, 2014
Litens Automotive Partnership
Wei Ma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
COMPACT TENSIONER WITH SUSTAINABLE DAMPING
Publication number
20120004059
Publication date
Jan 5, 2012
Litens Automotive Partnership
Wei Ma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...