Inventor · disambiguated record
Michael Steffen
Also filed as: ROEMING JUERGEN · STEFFEN MICHAEL · STEFFEN MICHAEL A
34 granted patents·11 pending applications·537 citations·filing 1992–2023
97Inventor score
Files withWACKER CONSTRUCTION EQUIPMENT16WACKER WERKE KG9WACKER NEUSON PROD GMBH & CO4MODINE MFG CO3WACKER NEUSON SE3
Top patents by PatentIndex Score
45 records- 0195US6123158AElectric tool with ducted cooled control electronicsWACKER WERKE KG·Filed 1997·Granted Sep 26, 2000·120 cites·19 claims
- 0291US7432725B2Electrical field sensors for detecting fluid presence or levelFREESCALE SEMICONDUCTOR INC·Filed 2006·Granted Oct 7, 2008·28 cites·14 claims
- 0389US6285925B1Method and safety device for the remote-control of self-propelling working machinesWACKER WERKE KG·Filed 1998·Granted Sep 4, 2001·64 cites·26 claims
- 0488US7498932B1Oil level monitoring system for an internal combustion engineWACKER CONSTRUCTION EQUIPMENT·Filed 2005·Granted Mar 3, 2009·14 cites·35 claims
- 0585US8905625B2High flow water return fitting for swimming pools and spasHARTMANN WARREN·Filed 2012·Granted Dec 9, 2014·9 cites·6 claims
- 0682US7025183B2Pneumatic spring percussion mechanism with an electro-dynamically actuated driving pistonWACKER CONSTRUCTION EQUIPMENT·Filed 2003·Granted Apr 11, 2006·32 cites·13 claims
- 0781US7753621B2Vibrating plate comprising a remote control that is integrated into a draw barWACKER NEUSON SE·Filed 2005·Granted Jul 13, 2010·11 cites·19 claims
- 0881US6213681B1Soil compacting device with adjustable vibration propertiesWACKER WERKE KG·Filed 1998·Granted Apr 10, 2001·43 cites·16 claims
- 0979US6507799B2Method and apparatus for reducing microprocessor speed requirements in data acquisition applicationsHONEYWELL INT INC·Filed 2001·Granted Jan 14, 2003·17 cites·24 claims
- 1075US6619832B1Poker vibrator with frequency converterWACKER CONSTRUCTION EQUIPMENT·Filed 2000·Granted Sep 16, 2003·16 cites·13 claims
- 1171US9175447B2Soil compactor having direct driveWACKER NEUSON PROD GMBH & CO·Filed 2014·Granted Nov 3, 2015·5 cites·14 claims
- 1271US6223871B1Cable drum with integrated frequency converterWACKER WERKE KG·Filed 1998·Granted May 1, 2001·29 cites·12 claims
- 1367US6997648B2Remote control device for automotive working devicesWACKER CONSTRUCTION EQUIPMENT·Filed 2002·Granted Feb 14, 2006·9 cites·19 claims
- 1466US11609047B2High pressure capable liquid to refrigerant heat exchangerMODINE MFG CO·Filed 2019·Granted Mar 21, 2023·0 cites·19 claims
- 1566US5450068AInfrared remote control for soil compacting devicesWACKER WERKE KG·Filed 1993·Granted Sep 12, 1995·28 cites·17 claims
- 1664US11209212B2High pressure capable liquid to refrigerant heat exchangerMODINE MFG CO·Filed 2019·Granted Dec 28, 2021·0 cites·15 claims
- 1761US8976035B2Methods and apparatus for sensing motion of a portable container and providing human perceptible indicia based on the sensed motionSTEFFEN MICHAEL A·Filed 2013·Granted Mar 10, 2015·3 cites·20 claims
- 1861US6735066B2Protective device for an electric consumerWACKER CONSTRUCTION EQUIPMENT·Filed 2001·Granted May 11, 2004·10 cites·10 claims
- 1960US7385315B2Frequency converter for an immersion vibratorWACKER CONSTRUCTION EQUIPMENT·Filed 2006·Granted Jun 10, 2008·0 cites·11 claims
- 2060US2011029264A1Outside concrete vibrator having an operation displayWACKER NEUSON SE·Filed 2008·Application pending·0 cites
- 2160US2025381257A1VaccineGLAXOSMITHKLINE BIOLOGICALS SA·Filed 2022·Application pending·0 cites
- 2258US6435767B1Directional controls for vibrating plateWACKER WERKE KG·Filed 1999·Granted Aug 20, 2002·21 cites·12 claims
- 2357US6474300B1Device and method for controlling the speed of an internal combustion engineWACKER WERKE KG·Filed 1999·Granted Nov 5, 2002·17 cites·8 claims
- 2456US6651608B2Manually operated working device having a speed that is adjusted automaticallyWACKER CONSTRUCTION EQUIPMENT·Filed 2001·Granted Nov 25, 2003·7 cites·10 claims
- 2555US6892950B1Type plate comprising a storage deviceWACKER CONSTRUCTION EQUIPMENT·Filed 2000·Granted May 17, 2005·8 cites·16 claims
- 2655US6794632B1Soil compaction device having a light detectorWACKER CONSTRUCTION EQUIPMENT·Filed 2000·Granted Sep 21, 2004·5 cites·8 claims
- 2754US2023332365A1Imbalance Exciter for Soil Compaction DevicesWACKER NEUSON PROD GMBH & CO·Filed 2023·Application pending·0 cites
- 2852US2022186453A1Soil Compaction DeviceWACKER NEUSON PROD GMBH & CO·Filed 2021·Application pending·0 cites
- 2951US6733169B2Poker vibrator with frequency transformerWACKER CONSTRUCTION EQUIPMENT·Filed 2003·Granted May 11, 2004·5 cites·5 claims
- 3050US2023376619A1Tamper and zeroization response unitCRYSTAL GROUP INC·Filed 2023·Application pending·0 cites
- 3148US6084327AInternal vibrator supplied with current from a transformerWACKER WERKE KG·Filed 1993·Granted Jul 4, 2000·15 cites·3 claims
- 3248US2010284743A1Soil-tamping device having adaptive drive regulationWACKER NEUSON SE·Filed 2008·Application pending·0 cites
- 3348US2021156618A1Plate heat exchanger with flow directing bafflesMODINE MFG CO·Filed 2020·Application pending·0 cites
- 3447US6960013B2High frequency immersion vibrator comprising a cooled electronic frequency converterWACKER CONSTRUCTION EQUIPMENT·Filed 2002·Granted Nov 1, 2005·2 cites·9 claims
- 3547US2022200400A1Oscillation Excitation Device for Producing Oscillations and/or VibrationsWACKER NEUSON PROD GMBH & CO·Filed 2020·Application pending·0 cites
- 3646US8974153B2Tamping device with synchronizing device and method for sameSTEFFEN MICHAEL·Filed 2011·Granted Mar 10, 2015·0 cites·14 claims
- 3746US5415494AProcess for determining and indicating the degree of ground compacting attained during work with a ground compacterWACKER WERKE KG·Filed 1992·Granted May 16, 1995·12 cites·4 claims
- 3846US2008314608A1Linearly Driven and Air-Cooled Boring and/or Percussion HammerWACKER CONSTRUCTION EQUIPMENT·Filed 2006·Application pending·0 cites
- 3945US7498691B2Frequency converter for an immersion vibratorWACKER CONSTRUCTION EQUIPMENT·Filed 2001·Granted Mar 3, 2009·0 cites·14 claims
- 4045US2008316853A1Internal Vibrator Provided With A Liberation DeviceSTEFFEN MICHAEL·Filed 2004·Application pending·0 cites
- 4142US7044413B2Cable roller with a frequency converter deviceWACKER CONSTRUCTION EQUIPMENT·Filed 2002·Granted May 16, 2006·1 cites·11 claims
- 4241US11675524B2Isolated hardware data sanitize system and methodCRYSTAL GROUP INC·Filed 2021·Granted Jun 13, 2023·0 cites·20 claims
- 4340US7040287B2Fuel dosage deviceWACKER CONSTRUCTION EQUIPMENT·Filed 2002·Granted May 9, 2006·1 cites·12 claims
- 4435US2004144188A1Internal vibrator for concrete compactingFiled 2002·Application pending·0 cites
- 4533US6530359B1Generating unit with engine speed control deviceWACKER CONSTRUCTION EQUIPMENT·Filed 1999·Granted Mar 11, 2003·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →