loadpatents
name:-0.036791086196899
name:-0.029310941696167
name:-0.0083990097045898
Kemmer; Helerson Patent Filings

Kemmer; Helerson

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kemmer; Helerson.The latest application filed is for "turbo compressor, in particular for a fuel cell system".

Company Profile
7.33.34
  • Kemmer; Helerson - Vaihingen DE
  • Kemmer; Helerson - Gerlingen DE
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Distribution structure for providing at least one reaction gas
Grant 11,228,045 - Kemmer , et al. January 18, 2
2022-01-18
Leakage monitoring of a fuel cell system
Grant 11,196,067 - Hartmann , et al. December 7, 2
2021-12-07
Turbo Compressor, In Particular For A Fuel Cell System
App 20210372412 - Kemmer; Helerson ;   et al.
2021-12-02
Method And System For Identifying A Leak Within A Membrane Of A Fuel Cell
App 20210273247 - Kemmer; Helerson ;   et al.
2021-09-02
Method for operating a tank system
Grant 11,105,468 - Kemmer August 31, 2
2021-08-31
Intrinsically safe bleed-down circuit and control strategy for fuel cell systems
Grant 10,991,962 - Kemmer , et al. April 27, 2
2021-04-27
Method For Detecting A Leak In An Energy Converter System
App 20210119233 - Kemmer; Helerson ;   et al.
2021-04-22
Distribution Structure For Providing At Least One Reaction Gas
App 20210075028 - KEMMER; Helerson ;   et al.
2021-03-11
Method for producing a flow plate for a fuel cell
Grant 10,903,507 - Bauer , et al. January 26, 2
2021-01-26
Method For Operating A Tank System
App 20200378558 - Kemmer; Helerson
2020-12-03
Flow Field Plate For A Fuel Cell, And Fuel Cell
App 20190372133 - Kemmer; Helerson
2019-12-05
Simplification of the electrical system of fuel cells by means of depletion of the cathode supply
Grant 10,236,523 - Kemmer
2019-03-19
Method For Producing A Flow Plate For A Fuel Cell
App 20190081331 - Bauer; Harald ;   et al.
2019-03-14
Leakage Monitoring Of A Fuel Cell System
App 20180342748 - Hartmann; Alexander ;   et al.
2018-11-29
Fuel cell assembly and method for operating a fuel cell assembly
Grant 9,859,578 - Kemmer , et al. January 2, 2
2018-01-02
Intrinsically Safe Bleed-down Circuit And Control Strategy For Fuel Cell Systems
App 20170271695 - Kemmer; Helerson ;   et al.
2017-09-21
Battery Cell, Battery Module And Method For Operating The Same
App 20170170529 - Kemmer; Helerson
2017-06-15
Method for regulating a boost pressure of an engine
Grant 9,470,141 - Kemmer , et al. October 18, 2
2016-10-18
Simplification Of The Electrical System Of Fuel Cells By Means Of Depletion Of The Cathode Supply
App 20160204455 - Kemmer; Helerson
2016-07-14
Method and control unit for operating a valve
Grant 9,322,356 - Grimminger , et al. April 26, 2
2016-04-26
Method and control tool for operating a valve
Grant 9,228,520 - Joos , et al. January 5, 2
2016-01-05
Method and control unit for operating a valve
Grant 9,068,526 - Joos , et al. June 30, 2
2015-06-30
Method and device for operating an internal combustion engine
Grant 9,026,342 - Kemmer , et al. May 5, 2
2015-05-05
Method for operating a fuel injector of an internal combustion engine, and control device for an internal combustion engine
Grant 8,996,280 - Joos , et al. March 31, 2
2015-03-31
Fuel Cell Assembly And Method For Operating A Fuel Cell Assembly
App 20150079490 - Kemmer; Helerson ;   et al.
2015-03-19
Method and control unit for operating a valve
Grant 8,955,495 - Joos , et al. February 17, 2
2015-02-17
Method for determining a concentration of alcohol in a fuel mixture
Grant 8,874,350 - Kemmer , et al. October 28, 2
2014-10-28
Method For Regulating A Boost Pressure Of An Engine
App 20140174079 - KEMMER; Helerson ;   et al.
2014-06-26
Method and control unit for operating an injection valve
Grant 8,584,515 - Fischer , et al. November 19, 2
2013-11-19
Method And Control Unit For Operating A Valve
App 20130013170 - Joos; Klaus ;   et al.
2013-01-10
Method and device for operating an internal combustion engine in the context of a combined direct and manifold injection, a computer program, a computer program product
Grant 8,352,154 - Mallebrein , et al. January 8, 2
2013-01-08
Method for controlling at least one solenoid valve
Grant 8,332,125 - Boee , et al. December 11, 2
2012-12-11
Method And Control Unit For Operating A Valve
App 20120291757 - Joos; Klaus ;   et al.
2012-11-22
Method and Control Unit for Operating a Valve
App 20120247428 - Grimminger; Christian ;   et al.
2012-10-04
Method For Determining A Concentration Of Alcohol In A Fuel Mixture
App 20120226427 - KEMMER; Helerson ;   et al.
2012-09-06
Method and device for operating an internal combustion engine and internal combustion engine
Grant 8,260,525 - Mallebrein , et al. September 4, 2
2012-09-04
Method And Control Tool For Operating A Valve
App 20120191327 - Joos; Klaus ;   et al.
2012-07-26
Method and Device for Operating an Internal Combustion Engine
App 20120166069 - Kemmer; Helerson ;   et al.
2012-06-28
Method For Operating A Fuel Injector Of An Internal Combustion Engine, And Control Device For An Internal Combustion Engine
App 20120152207 - Joos; Klaus ;   et al.
2012-06-21
Method For Operating An Injector
App 20120101707 - Kemmer; Helerson ;   et al.
2012-04-26
Method For Controlling An Internal Combustion Engine
App 20120041666 - Kemmer; Helerson ;   et al.
2012-02-16
Method to determine a fuel composition
Grant 8,014,933 - Joos , et al. September 6, 2
2011-09-06
Method For Controlling At Least One Solenoid Valve
App 20110106404 - Boee; Matthias ;   et al.
2011-05-05
Method for operating an internal combustion engine
Grant 7,904,232 - Kemmer , et al. March 8, 2
2011-03-08
Method for introducing fuel into a combustion chamber of an internal combustion engine
Grant 7,895,987 - Mallebrein , et al. March 1, 2
2011-03-01
Method and device for operating an internal combustion engine
Grant 7,894,973 - Mallebrein , et al. February 22, 2
2011-02-22
Method and control unit for operating an injection valve
App 20100116252 - Fischer; Wolfgang ;   et al.
2010-05-13
Method For Introducing Fuel Into A Combustion Chamber Of An Internal Combustion Engine
App 20100037852 - Mallebrein; Georg ;   et al.
2010-02-18
Method and device for operating an internal combustion engine in the context of a combined direct and manifold injection, a computer program, a computer program product
App 20090319154 - MALLEBREIN; Georg ;   et al.
2009-12-24
Method and device for operating an internal combustion engine
App 20090281709 - Mallebrein; George ;   et al.
2009-11-12
Method And Device For Operating An Internal Combustion Engine And Internal Combustion Engine
App 20090265078 - MALLEBREIN; Georg ;   et al.
2009-10-22
Method For Operating An Internal Combustion Engine
App 20090210133 - Kemmer; Helerson ;   et al.
2009-08-20
Method To Determine A Fuel Composition
App 20090070017 - Joos; Klaus ;   et al.
2009-03-12
Method for operating an internal combustion engine
Grant 7,497,206 - Kemmer March 3, 2
2009-03-03
Procedure For Controlling An Injection Valve
App 20080319584 - Fischer; Michael ;   et al.
2008-12-25
Method for operating an internal combustion engine
Grant 7,360,526 - Kemmer April 22, 2
2008-04-22
Method for operating an internal combustion engine
App 20070175453 - Kemmer; Helerson
2007-08-02
Method for operating an internal combustion engine
App 20070157906 - Kemmer; Helerson
2007-07-12

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