Inventor · disambiguated record
Robert A. Null
Also filed as: NULL ROBERT A
13 granted patents·2 pending applications·506 citations·filing 1974–2008
94Inventor score
Top patents by PatentIndex Score
15 records- 0192US5298884ATamper detection circuit and method for use with wearable transmitter tagBI INC·Filed 1992·Granted Mar 29, 1994·151 cites·25 claims
- 0287US7168475B2Shutter-type covering for architectural openingsHUNTER DOUGLAS·Filed 2003·Granted Jan 30, 2007·30 cites·53 claims
- 0382US3944032ALuggage case constructionSAMSONITE CORP·Filed 1974·Granted Mar 16, 1976·47 cites·16 claims
- 0480US4631073AMethod and apparatus for theadsorptive fractionation of gasesWILKERSON CORP·Filed 1985·Granted Dec 23, 1986·53 cites·25 claims
- 0579US6901988B2Shutter-like covering and hardware for architectural openingHUNTER DOUGLAS·Filed 2002·Granted Jun 7, 2005·26 cites·4 claims
- 0679US4299313AMobile luggage case handle assemblySAMSONITE CORP·Filed 1980·Granted Nov 10, 1981·47 cites·7 claims
- 0774US7114545B2Magnetic catch for bottom rails of coverings for architectural openingsHUNTER DOUGLAS·Filed 2004·Granted Oct 3, 2006·21 cites·12 claims
- 0872US4559065ATwin tower gas fractionation apparatusWILKERSON CORP·Filed 1984·Granted Dec 17, 1985·32 cites·5 claims
- 0959US5344474AGas separation deviceAIR DRY CORP OF AMERICA·Filed 1993·Granted Sep 6, 1994·23 cites·26 claims
- 1056US6808002B2Balanced tilt mechanism for a covering for an architectural openingHUNTER DOUGLAS·Filed 2003·Granted Oct 26, 2004·7 cites·11 claims
- 1154US4655100ARolling element jackscrewGARRETT CORP·Filed 1984·Granted Apr 7, 1987·13 cites·20 claims
- 1251US5019056ABowel care apparatusAEGIS MEDICAL INC·Filed 1988·Granted May 28, 1991·55 cites·13 claims
- 1338US2008245488A1Shutter-type covering for architectural openingsHUNTER DOUGLAS·Filed 2008·Application pending·0 cites
- 1437US2007137798A1Shutter-type covering for architectural openingsHUNTER DOUGLAS·Filed 2006·Application pending·0 cites
- 1530USD292310SGas fractionator for drying compressed airWILKERSON CORP·Filed 1985·Granted Oct 13, 1987·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →