Inventor · disambiguated record
Robert Graf
Also filed as: GRAF ROBERT · GRAF ROBERT G
14 granted patents·1 pending application·287 citations·filing 1974–2016
93Inventor score
Files withGRUENAU GMBH CHEM FAB3COGNIS DEUTSCHLAND GMBH2GRAF ROBERT2AMERICAN MINE RES INC1BBC BROWN BOVERI & CIE1
Top patents by PatentIndex Score
15 records- 0185US3969815AProcess for forming a through connection between a pair of circuit patterns disposed on opposite surfaces of a substrateSIEMENS AG·Filed 1974·Granted Jul 20, 1976·33 cites·10 claims
- 0284US4153923AGround monitoring system and methodGRAF ROBERT G·Filed 1977·Granted May 8, 1979·39 cites·2 claims
- 0377US6544445B1Fire-resistant opening sealHENKEL KGAA·Filed 1998·Granted Apr 8, 2003·63 cites·23 claims
- 0476USD284855STelephone setPKS/COMMUNICATIONS INCORPORATED·Filed 1984·Granted Jul 29, 1986·16 cites·1 claims
- 0572US5876042APipe seal with a sheet-metal casing bendable around a pipeGRUENAU GMBH CHEM FAB·Filed 1994·Granted Mar 2, 1999·37 cites·20 claims
- 0663US5496881AComposition for forming fireproof coatings and caulking and a method of useGRUENAU GMBH CHEM FAB·Filed 1992·Granted Mar 5, 1996·19 cites·37 claims
- 0759US4816312AFire prevention materialGRUENAU GMBH CHEM FAB·Filed 1986·Granted Mar 28, 1989·22 cites·23 claims
- 0851US4770025APulling clampGRAF ROBERT·Filed 1987·Granted Sep 13, 1988·15 cites·5 claims
- 0947US9350144B2Removable contactor drawerAMERICAN MINE RES INC·Filed 2014·Granted May 24, 2016·1 cites·10 claims
- 1047US5126076ALow-flammability structural elements, particularly boards, and process for constructing themCHEM FAB GRUENAU·Filed 1989·Granted Jun 30, 1992·14 cites·20 claims
- 1145US4212015APortable mast for radio link systemsBBC BROWN BOVERI & CIE·Filed 1978·Granted Jul 8, 1980·12 cites·2 claims
- 1236US6010763AFireproofing materialGRUNAU ILLERTISSEN·Filed 1994·Granted Jan 4, 2000·8 cites·25 claims
- 1335US6814880B1Water based liquid foam extinguishing formulationCOGNIS DEUTSCHLAND GMBH·Filed 1999·Granted Nov 9, 2004·6 cites·19 claims
- 1432US2017052006A1Pyrotechnic device for creating an overall effect consisting of individual effectsGRAF ROBERT·Filed 2016·Application pending·0 cites
- 1525US6967223B1Fiber-free shaped partsCOGNIS DEUTSCHLAND GMBH·Filed 1999·Granted Nov 22, 2005·2 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Robert Graf files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →