Christopher H. Knieper has been granted 12 US patents while listed as an inventor at General Motors . The first was granted in 2006 and the most recent in May 2021. Christopher H. Knieper ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Christopher H. Knieper in Owosso, MI, US.
Patents per Year Patents granted per year, 2006 to 2021 Bar chart with a peak of 3 patents in 2018. peak 3 2006: 2 patents 2006 2014: 1 patents 2014 2015: 1 patents 2015 2018: 3 patents 2018 2019: 1 patents 2019 2020: 2 patents 2020 2021: 2 patents 2021
Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10996134
Coolant leak diagnosis
Shiming Duan , Paul E. Krajewski , Calvin S. Wang
2021-05-04
$40,166,000
10975857
Cooling sysytem mechanical pump diagnosis
Michael A. Smith , Eugene V. Gonze , Eric E. Klauser
2021-04-13
$34,757,000
10857854
Cooling system air flow diagnosis
Shiming Duan , Calvin S. Wang
2020-12-08
$39,095,000
10672205
Method and apparatus to monitor an on-vehicle fluidic subsystem
Shiming Duan , Yao Hu
2020-06-02
$16,247,000
10273867
Prognostic system and method for an electric coolant pump
Shiming Duan
2019-04-30
$9,833,000
10054030
Engine cooling systems and methods
Shiming Duan
2018-08-21
$9,824,000
10006335
Coolant temperature correction systems and methods
Eugene V. Gonze , Vijay Ramappan
2018-06-26
$12,799,000
9964022
Engine off cooling strategy
Eugene V. Gonze , Yue-Ming Chen , Vijay Ramappan
2018-05-08
$16,307,000
9086026
System and method for controlling torque output of an engine when a water pump coupled to the engine is switched on or off
Stephen Paul Levijoki
2015-07-21
$9,446,000
8900095
Automatic transmission synchronous gear shift
Christopher E. Whitney , Ronald W. Van Diepen , Ning Jin , Matthew D. Whitton
2014-12-02
$11,608,000
7036366
Air flow measurement system having reduced sensitivity to flow field changes
Charles G. Emmert, Jr. , Dan H. Emmert , Edward R. Fizell
2006-05-02
7021284
Method and apparatus for minimizing engine air tip-in noise
Keith A. Confer , Gary A. Nichols
2006-04-04