Inventor · disambiguated record
Gerhard Buttner
Also filed as: BUETTNER GERHARD · BUTTNER GERHARD · WOLFRUM GERHARD
18 granted patents·306 citations·filing 1974–1999
94Inventor score
Top patents by PatentIndex Score
18 records- 0194US4783815AManufacturing miniature hearing aid having a multi-layer circuit arrangementSIEMENS AG·Filed 1987·Granted Nov 8, 1988·94 cites·16 claims
- 0283US4710961AMiniature hearing aid having a bindable multi-layered amplifier arrangementSIEMENS AG·Filed 1985·Granted Dec 1, 1987·49 cites·7 claims
- 0381US4790743AMethod of reducing the nox-emissions during combustion of nitrogen-containing fuelsSTEINMUELLER GMBH L & C·Filed 1986·Granted Dec 13, 1988·40 cites·9 claims
- 0478US4551090ABurnerSTEINMUELLER GMBH L & C·Filed 1983·Granted Nov 5, 1985·27 cites·4 claims
- 0573US6179104B1Self-winding cable reelATLANTA KABEL STEINMUELLER GMB·Filed 1999·Granted Jan 30, 2001·34 cites·9 claims
- 0672US3932406A2-Trifluoromethylimino-1,3-dithiolo [4,5-b]-quinoxalinesBAYER AG·Filed 1974·Granted Jan 13, 1976·7 cites·7 claims
- 0765US4321204APreparation of certain 2-methyl-2,3-dihydro-benzofuran-7-olsBAYER AG·Filed 1980·Granted Mar 23, 1982·7 cites·8 claims
- 0864US4079090APreparation of trichloromethyl-trifluoro methyl-benzenesBAYER AG·Filed 1976·Granted Mar 14, 1978·6 cites·23 claims
- 0958US4783816AHearing aid to be worn behind the ear having battery and volume control facing in opposite directionsSIEMENS AG·Filed 1985·Granted Nov 8, 1988·31 cites·6 claims
- 1056US4093669AMethod for preparing trichloromethyl-trifluoromethyl-benzenesBAYER AG·Filed 1976·Granted Jun 6, 1978·4 cites·9 claims
- 1145US4243584AMonoazo dyestuffs containing diazo component substituted by disulfimide and trifluoromethyl groupsBAYER AG·Filed 1978·Granted Jan 6, 1981·2 cites·4 claims
- 1244US4159265APhenylazopyrazolo dyestuffs including disulfimide substituentBAYER AG·Filed 1978·Granted Jun 26, 1979·2 cites·2 claims
- 1339US4383126APreparation of monoalkyl ethers of hydroxyphenolsBAYER AG·Filed 1981·Granted May 10, 1983·2 cites·13 claims
- 1438US4059402ATransfer printing processBAYER AG·Filed 1976·Granted Nov 22, 1977·1 cites·8 claims
- 1534US3979411A2-Trifluoromethylimino-benzo-heterocyclic compoundsBAYER AG·Filed 1975·Granted Sep 7, 1976·0 cites·6 claims
- 1631US3983172ABis-halogen carbonyl anilines and process for the productionBAYER AG·Filed 1974·Granted Sep 28, 1976·0 cites·8 claims
- 1730US4647676AProcess for the isolation of 2,2-dimethyl-7-hydroxy-coumaranBAYER AG·Filed 1984·Granted Mar 3, 1987·0 cites·3 claims
- 1830US4486611AIsolation of dihydroxybenzene-monoethers from reaction mixturesBAYER AG·Filed 1982·Granted Dec 4, 1984·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Gerhard Buttner 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 →