Inventor · disambiguated record
Frank Stephan
Also filed as: STEPHAN FRANK · STEPHAN II FRANK H
5 granted patents·92 citations·filing 2000–2004
81Inventor score
Technology areasA47L
Top patents by PatentIndex Score
5 records- 0187US6789290B2Dual mode carpet cleaning deviceRUG DOCTOR L P·Filed 2001·Granted Sep 14, 2004·48 cites·24 claims
- 0278US7048805B2Dual mode carpet cleaning methodRUG DOCTOR LP·Filed 2004·Granted May 23, 2006·25 cites·30 claims
- 0358US6568024B2Cleaning toolRUG DOCTOR LP·Filed 2002·Granted May 27, 2003·9 cites·20 claims
- 0453US6418587B1Cleaning toolRUG DOCTOR L P·Filed 2000·Granted Jul 16, 2002·6 cites·15 claims
- 0545US6216313B1Handle with integral cord wrapRUG DOCTOR L P·Filed 2000·Granted Apr 17, 2001·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →