Inventor · disambiguated record
Dexter Lehman
Also filed as: LEHMAN DEXTER · LEHMAN DEXTER K
5 granted patents·2 pending applications·114 citations·filing 1982–2008
83Inventor score
Technology areasA47L
Files withNILFISK ADVANCE INC4NAT UNION ELECTRIC CORPORATION1WHITE CONSOLIDATED IND INC1WIESE MARTIN E1
Top patents by PatentIndex Score
7 records- 0184US6684452B2Dual cleaning mode carpet extractorNILFISK ADVANCE INC·Filed 2001·Granted Feb 3, 2004·42 cites·12 claims
- 0277US7370386B2Dual cleaning mode carpet extractorNILFISK ADVANCE INC·Filed 2004·Granted May 13, 2008·23 cites·11 claims
- 0355US2008201896A1Dual Cleaning Mode Carpet ExtractorNILFISK ADVANCE INC·Filed 2008·Application pending·0 cites
- 0454US5182834AVacuum pump-out control valve for wet/dry vacuum cleanerWHITE CONSOLIDATED IND INC·Filed 1992·Granted Feb 2, 1993·23 cites·6 claims
- 0554US2010205766A1Vacuum Device Including Selectively Activated, Secondary Vacuum Source and Floor Cleaning Machine Utilizing the Vacuum DeviceNILFISK ADVANCE INC·Filed 2008·Application pending·0 cites
- 0652US4854005AAutomatic floor scrubbing machine with squeegee assembly and adjustable wheelsWIESE MARTIN E·Filed 1988·Granted Aug 8, 1989·22 cites·4 claims
- 0744USD277517SCarpet and rug vacuum cleanerNAT UNION ELECTRIC CORPORATION·Filed 1982·Granted Feb 5, 1985·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →