Inventor · disambiguated record
Marc Edward Frerichs
Also filed as: FRERICHS MARC · FRERICHS MARC E · FRERICHS MARC EDWARD
10 granted patents·299 citations·filing 1997–2008
91Inventor score
Files withHWH CORP10
Top patents by PatentIndex Score
10 records- 0187US6708454B1Pivot connector for extendable roomsHWH CORP·Filed 2002·Granted Mar 23, 2004·40 cites·5 claims
- 0286US7857361B1Coupler assemblyHWH CORP·Filed 2007·Granted Dec 28, 2010·23 cites·10 claims
- 0386US6067756ASpace saving room extenderHWH CORP·Filed 1998·Granted May 30, 2000·57 cites·8 claims
- 0480US7685927B1Hydraulic synchronizing cylinderHWH CORP·Filed 2007·Granted Mar 30, 2010·9 cites·9 claims
- 0578US6052952AFlat floor room extensionHWH CORP·Filed 1999·Granted Apr 25, 2000·62 cites·6 claims
- 0677US7806417B1Height averaging means for use with a motor vehicle suspension control systemHWH CORP·Filed 2008·Granted Oct 5, 2010·12 cites·8 claims
- 0775US6658798B1Floor slot room extenderHWH CORP·Filed 2001·Granted Dec 9, 2003·28 cites·8 claims
- 0874US7603942B1Synchronization cylinder having chambers with different volumesHWH CORP·Filed 2006·Granted Oct 20, 2009·7 cites·1 claims
- 0974US5983576AExtendable roomHWH CORP·Filed 1997·Granted Nov 16, 1999·42 cites·5 claims
- 1069US6533338B1Vertical arm flat floor extension and vertical arm housingHWH CORP·Filed 2001·Granted Mar 18, 2003·19 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →