Inventor · disambiguated record
Otto L. Hoffmann
Also filed as: HOFFMANN OTTO · HOFFMANN OTTO L
7 granted patents·1 pending application·99 citations·filing 1971–2005
84Inventor score
Files withGULF OIL CORP4GULF RESEARCH DEVELOPMENT CO2INNOVA PATENT GMBH1SESAM ELEKTRONISCHE SIOHERHEIT1
Top patents by PatentIndex Score
8 records- 0191US4134754AMethod of combating wild oatsGULF OIL CORP·Filed 1978·Granted Jan 16, 1979·32 cites·4 claims
- 0274US4033756ADichloroacetamide treated rice seedsGULF RESEARCH DEVELOPMENT CO·Filed 1971·Granted Jul 5, 1977·32 cites·1 claims
- 0353US6079238ADoor mountingSESAM ELEKTRONISCHE SIOHERHEIT·Filed 1998·Granted Jun 27, 2000·24 cites·31 claims
- 0448US4256884A1-Benzoyl-3-hydroxy-6(1H)-pyridazinones and use as plant growth regulatorsGULF OIL CORP·Filed 1980·Granted Mar 17, 1981·2 cites·6 claims
- 0546US4279636ADichloroacetylimino herbicide antagonists as plant protection agentsGULF OIL CORP·Filed 1980·Granted Jul 21, 1981·2 cites·5 claims
- 0642US2006085107A1Tram with gravity driven vehicles and method for controlling the operation of the tramINNOVA PATENT GMBH·Filed 2005·Application pending·0 cites
- 0741US4208203AMethod of protecting corn from herbicidesGULF RESEARCH DEVELOPMENT CO·Filed 1973·Granted Jun 17, 1980·7 cites·1 claims
- 0832US4314843A1-Benzoyl-3-hydroxy-6(1H)-pyridazinones employed as plant growth regulatorsGULF OIL CORP·Filed 1980·Granted Feb 9, 1982·0 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Otto L. Hoffmann 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 →