Inventor · disambiguated record
Michael E. Bitzel
Also filed as: BITZEL MICHAEL E
9 granted patents·407 citations·filing 1981–2002
92Inventor score
Files withBLACK & DECKER INC9
Top patents by PatentIndex Score
9 records- 0196US6350087B1Tool-free collet tightenerBLACK & DECKER INC·Filed 2000·Granted Feb 26, 2002·59 cites·58 claims
- 0292US4912805ADual-purpose rotating brush for vacuum cleanerBLACK & DECKER INC·Filed 1988·Granted Apr 3, 1990·82 cites·13 claims
- 0386US4920606AElectrical power circuit for a vacuum cleanerBLACK & DECKER INC·Filed 1989·Granted May 1, 1990·58 cites·12 claims
- 0480US4928346AHand-held vacuum cleaner with power brushBLACK & DECKER INC·Filed 1989·Granted May 29, 1990·51 cites·12 claims
- 0580US4385276AMounting of semiconductor sensing means for an electromagnetic tachometer in a portable electric toolBLACK & DECKER INC·Filed 1981·Granted May 24, 1983·34 cites·8 claims
- 0679US4841594ACordless vacuum cleaner with power brushBLACK & DECKER INC·Filed 1986·Granted Jun 27, 1989·49 cites·13 claims
- 0776US6648567B2Tool-free collet tightenerBLACK & DECKER INC·Filed 2002·Granted Nov 18, 2003·16 cites·9 claims
- 0872US4947514AInternal contact for a charging circuitBLACK & DECKER INC·Filed 1989·Granted Aug 14, 1990·36 cites·5 claims
- 0959US5526596AElectric iron with storage base and method of storing the ironBLACK & DECKER INC·Filed 1994·Granted Jun 18, 1996·22 cites·6 claims
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