Inventor · disambiguated record
David M. J. Allgeier
Also filed as: ALLGEIER DAVID M · ALLGEIER DAVID M J
23 granted patents·831 citations·filing 1987–2009
97Inventor score
Top patents by PatentIndex Score
23 records- 0193USD338452SCombined image display and image capture unitNCR CORP·Filed 1991·Granted Aug 17, 1993·43 cites·1 claims
- 0288USD316707SBar code scanner or similar articleNCR CORP·Filed 1989·Granted May 7, 1991·26 cites·1 claims
- 0387US8104117B2Siderail and control unit thereforHEIMBROCK RICHARD H·Filed 2009·Granted Jan 31, 2012·27 cites·33 claims
- 0487US6615444B2Dirt collection system for a vacuum cleanerHOOVER CO·Filed 2001·Granted Sep 9, 2003·70 cites·11 claims
- 0586US6513190B1Turbine powered vacuum cleaner nozzleHOOVER CO·Filed 2000·Granted Feb 4, 2003·41 cites·22 claims
- 0685US6539363B1Write input credit transaction apparatus and method with paperless merchant credit card processingNCR CORP·Filed 1990·Granted Mar 25, 2003·189 cites·71 claims
- 0785USD403482SHandle portion of an upright carpet extractorHOOVER CO·Filed 1997·Granted Dec 29, 1998·29 cites·1 claims
- 0884USD325729SOptical scanner or similar articleNCR CORP·Filed 1990·Granted Apr 28, 1992·25 cites·1 claims
- 0983USD348260SBar code scannerNCR CORP·Filed 1992·Granted Jun 28, 1994·23 cites·1 claims
- 1082USD305228SBar code scanner or similar articleNCR CORP·Filed 1988·Granted Dec 26, 1989·20 cites·1 claims
- 1179US7267704B2Filter assembly for a vacuum cleanerHOOVER CO·Filed 2003·Granted Sep 11, 2007·24 cites·21 claims
- 1278US5901408ATank carry handle and securement latchHOOVER CO·Filed 1997·Granted May 11, 1999·52 cites·49 claims
- 1376USD317154SBar code scanner or similar articleNCR CORP·Filed 1989·Granted May 28, 1991·15 cites·1 claims
- 1474US5949348AMethod and apparatus for variable keyboard displayNCR CORP·Filed 1994·Granted Sep 7, 1999·137 cites·7 claims
- 1570US4968883AApparatus and method for vertical mounting of an optical scannerNCR CO·Filed 1989·Granted Nov 6, 1990·32 cites·12 claims
- 1669USD434886SVacuum cleaner tool caddyHOOVER CO·Filed 1999·Granted Dec 5, 2000·15 cites·1 claims
- 1767US6260233B1Removable hose and tool caddy for a vacuum cleanerHOOVER CO·Filed 1999·Granted Jul 17, 2001·33 cites·39 claims
- 1858US7360275B2Dirt separation system for a vacuum cleanerALLGEIER DAVID M·Filed 2003·Granted Apr 22, 2008·19 cites·20 claims
- 1956US7672900B2Write input transaction apparatus and methodNCR CORP·Filed 2002·Granted Mar 2, 2010·2 cites·54 claims
- 2049USD314395SRetail terminal or similar articleNCR CORP·Filed 1987·Granted Feb 5, 1991·5 cites·1 claims
- 2138USD481182SVacuum cleaner dirt receptacle lidHOOVER CO·Filed 2001·Granted Oct 21, 2003·3 cites·1 claims
- 2233USD510647SUpper housing portion of a floor care applianceHOOVER CO·Filed 2003·Granted Oct 11, 2005·1 cites·1 claims
- 2329US4857712ASlip table with integrated slip guideNCR CO·Filed 1988·Granted Aug 15, 1989·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →