Steffen; Michael

Patent Applications and Registrations

Patent applications and USPTO patent grants for Steffen; Michael.The latest application filed is for "oscillation excitation device for producing oscillations and/or vibrations".

Company Profile

8.35.44

Steffen; Michael - Munich DE
Steffen; Michael - Birkenfeld DE
Steffen; Michael - Munchen DE
Steffen; Michael - Lee's Summit MO
Steffen; Michael - Encino CA US
Steffen; Michael - Cedar Rapids IA
Steffen; Michael - West Hills CA US
Steffen; Michael - Stockdorf DE
Steffen; Michael - Herrsching DE
Steffen; Michael - Gauting 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

Patent	Date
Oscillation Excitation Device for Producing Oscillations and/or Vibrations App 20220200400 - Steffen; Michael	2022-06-23
Soil Compaction Device App 20220186453 - Steffen; Michael	2022-06-16
High pressure capable liquid to refrigerant heat exchanger Grant 11,209,212 - Kimmel , et al. December 28, 2	2021-12-28
Wearable Drive System for a Work Apparatus App 20210267357 - Steffen; Michael ; et al.	2021-09-02
Plate Heat Exchanger With Flow Directing Baffles App 20210156618 - Steffen; Michael ; et al.	2021-05-27
High Pressure Capable Liquid To Refrigerant Heat Exchanger App 20210033345 - Kimmel; Adam ; et al.	2021-02-04
Power Supply Unit Having A Housing And A Rechargeable Electrical Store App 20200395773 - Steffen; Michael	2020-12-17
Wearable Drive System for a Work Apparatus App 20200037735 - Steffen; Michael ; et al.	2020-02-06
Carrying Device Having an Energy Store and an Electrical Transformer App 20200044206 - Steffen; Michael ; et al.	2020-02-06
High Pressure Capable Liquid To Refrigerant Heat Exchanger App 20200018552 - Kimmel; Adam ; et al.	2020-01-16
Soil compacting device Grant 10,344,439 - Steffen , et al. July 9, 2	2019-07-09
Soil Compacting Device App 20190078282 - Steffen; Michael ; et al.	2019-03-14
Ground-compacting device Grant 9,284,697 - Steffen March 15, 2	2016-03-15
Soil compactor having direct drive Grant 9,175,447 - Steffen November 3, 2	2015-11-03
Systems and method for controlling warnings at vehicle crossings Grant 9,150,229 - Steffen , et al. October 6, 2	2015-10-06
Soil Compactor Having Direct Drive App 20150167259 - Steffen; Michael	2015-06-18
Tamping device with synchronizing device and method for same Grant 8,974,153 - Steffen March 10, 2	2015-03-10
Systems And Method For Controlling Warnings At Vehicle Crossings App 20140361126 - STEFFEN; MICHAEL ; et al.	2014-12-11
High flow water return fitting for swimming pools and spas Grant 8,905,625 - Hartmann , et al. December 9, 2	2014-12-09
Electric Tool Having A Protective Hood App 20140262400 - Berger; Rudolf ; et al.	2014-09-18
System And Method For Creating High Powered Emc Compliant Power Supply For Industrial And Military Applications App 20140223203 - Derouen; Alvin ; et al.	2014-08-07
Soil compacting device having an air-cooled battery Grant 8,708,599 - Steffen April 29, 2	2014-04-29
Soil Compacting Device Having An Air-cooled Battery App 20130279980 - Steffen; Michael	2013-10-24
Ground-Compacting Device App 20130251452 - Steffen; Michael	2013-09-26
Tamping Device With Synchronizing Device And Method For Same App 20130243534 - Steffen; Michael	2013-09-19
High Flow Water Return Fitting For Swimming Pools And Spas App 20130061383 - Hartmann; Warren ; et al.	2013-03-14
Drive System With An Apparatus For Interrupting The Operation In The Case Of An Imminent Lack Of Operating Medium App 20130030677 - Steffen; Michael	2013-01-31
Soil compacting device Grant 8,317,426 - Steffen November 27, 2	2012-11-27
Soil-compactor with power steering Grant 8,123,432 - Steffen February 28, 2	2012-02-28
Vibrating plate system Grant 8,046,105 - Steffen , et al. October 25, 2	2011-10-25
Soil Compacting Device App 20110097149 - Steffen; Michael	2011-04-28
Outside Concrete Vibrator Having An Operation Display App 20110029264 - Steffen; Michael	2011-02-03
Soil-tamping Device Having Adaptive Drive Regulation App 20100284743 - Steffen; Michael	2010-11-11
Vibrating plate comprising a remote control that is integrated into a draw bar Grant 7,753,621 - Steffen July 13, 2	2010-07-13
Vibrating Plate System App 20090306826 - Steffen; Michael ; et al.	2009-12-10
Frequency converter for an immersion vibrator Grant 7,498,691 - Steffen March 3, 2	2009-03-03
Oil level monitoring system for an internal combustion engine Grant 7,498,932 - Steffen March 3, 2	2009-03-03
Linearly Driven and Air-Cooled Boring and/or Percussion Hammer App 20080314608 - Berger; Rudolf ; et al.	2008-12-25
Internal Vibrator Provided With A Liberation Device App 20080316853 - Steffen; Michael	2008-12-25
Vibrating Plate Comprising a Remote Control that is Integrated Into a Draw Bar App 20080247824 - Steffen; Michael	2008-10-09
Frequency converter for an immersion vibrator Grant 7,385,315 - Steffen June 10, 2	2008-06-10
Frequency Converter for an Immersion Vibrator App 20060158038 - Steffen; Michael	2006-07-20
Cable roller with a frequency converter device Grant 7,044,413 - Steffen May 16, 2	2006-05-16
Fuel dosage device Grant 7,040,287 - Steffen May 9, 2	2006-05-09
Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston Grant 7,025,183 - Steffen , et al. April 11, 2	2006-04-11
Remote control device for automotive working devices Grant 6,997,648 - Steffen February 14, 2	2006-02-14
High frequency immersion vibrator comprising a cooled electronic frequency converter Grant 6,960,013 - Steffen , et al. November 1, 2	2005-11-01
Cable roller with a frequency converter device App 20050224307 - Steffen, Michael	2005-10-13
Type plate comprising a storage device Grant 6,892,950 - Jordan , et al. May 17, 2	2005-05-17
Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston App 20050076517 - Steffen, Michael ; et al.	2005-04-14
Ground surface cutting device App 20040251730 - Steffen, Michael ; et al.	2004-12-16
Fuel dosage device App 20040244775 - Steffen, Michael	2004-12-09
Soil compaction device having a light detector Grant 6,794,632 - Steffen September 21, 2	2004-09-21
Internal vibrator for concrete compacting App 20040144188 - Steffen, Michael	2004-07-29
Remote control device for automotive working devices App 20040146303 - Steffen, Michael	2004-07-29
Protective device for an electric consumer Grant 6,735,066 - Steffen May 11, 2	2004-05-11
Poker vibrator with frequency transformer Grant 6,733,169 - Steffen May 11, 2	2004-05-11
Electronic frequency converter comprising a cooling circuit App 20040061457 - Steffen, Michael ; et al.	2004-04-01
Manually operated working device having a speed that is adjusted automatically Grant 6,651,608 - Steffen November 25, 2	2003-11-25
Poker vibrator with frequency transformer App 20030198123 - Steffen, Michael	2003-10-23
Poker vibrator with frequency converter Grant 6,619,832 - Steffen September 16, 2	2003-09-16
Frequency converter for an immersion vibrator App 20030012041 - Steffen, Michael	2003-01-16
Protective device for an electric consumer App 20030011950 - Steffen, Michael	2003-01-16
Manually operated working device having a speed that is adjusted automatically App 20020189219 - Steffen, Michael	2002-12-19
Method and safety device for the remote-control of self-propelling working machines Grant 6,285,925 - Steffen September 4, 2	2001-09-04
Cable drum with integrated frequency converter Grant 6,223,871 - Steffen May 1, 2	2001-05-01
Soil compacting device with adjustable vibration properties Grant 6,213,681 - Sick , et al. April 10, 2	2001-04-10
Electric tool with ducted cooled control electronics Grant 6,123,158 - Steffen September 26, 2	2000-09-26
Process for determining and indicating the degree of ground compacting attained during work with a ground compacter Grant 5,415,494 - Steffen May 16, 1	1995-05-16