Assignee
HOECHST CERAM TEC AG
DE·54 granted patents·855 citations·filing 1982–1997
Top patents by PatentIndex Score
54 records- 0189US5079472APiezoelectric bending transducer and the use thereofHOECHST CERAM TEC AG·Filed 1990·Granted Jan 7, 1992·66 cites·21 claims
- 0282US5560851AProcess for producing ceramic heating elementsHOECHST CERAM TEC AG·Filed 1994·Granted Oct 1, 1996·69 cites·15 claims
- 0382US5238057AFinned-tube heat exchangerHOECHST CERAM TEC AG·Filed 1990·Granted Aug 24, 1993·53 cites·3 claims
- 0480US5156322AProcess for the production of a solder coating on metallized materialsHOECHST CERAM TEC AG·Filed 1991·Granted Oct 20, 1992·38 cites·17 claims
- 0576US4714257AAnnular sliding body for a sliding seal and process for use thereofHOECHST CERAM TEC AG·Filed 1983·Granted Dec 22, 1987·26 cites·41 claims
- 0674US4572848AProcess for the production of molded bodies from silicon-infiltrated, reaction-bonded silicon carbideHOECHST CERAM TEC AG·Filed 1984·Granted Feb 25, 1986·38 cites·11 claims
- 0773US5626777AProcess for producing dividable plates of brittle material with high accuracy and apparatus for receiving and precision-grinding the end faces of a plateHOECHST CERAM TEC AG·Filed 1994·Granted May 6, 1997·39 cites·13 claims
- 0868US4957811AComponents of silicon-infiltrated silicon carbide having a porous surface, and process for the production thereofHOECHST CERAM TEC AG·Filed 1989·Granted Sep 18, 1990·24 cites·8 claims
- 0966US4604498ASeal between a metallic mounting and a glass fiber rod in high voltage compound insulators and method of forming sameHOECHST CERAM TEC AG·Filed 1984·Granted Aug 5, 1986·20 cites·9 claims
- 1064US4629593AProcess for producing polycrystalline, translucent sintered tubesHOECHST CERAM TEC AG·Filed 1984·Granted Dec 16, 1986·19 cites·14 claims
- 1163US5079040AProcess for electrolessly depositing nickelHOECHST CERAM TEC AG·Filed 1989·Granted Jan 7, 1992·24 cites·15 claims
- 1263US4668176AExtrusion device for the production of honeycomb structuresHOECHST CERAM TEC AG·Filed 1986·Granted May 26, 1987·26 cites·3 claims
- 1363US4526635AProcess for manufacturing heat exchangers from ceramic sheetsHOECHST CERAM TEC AG·Filed 1982·Granted Jul 2, 1985·18 cites·15 claims
- 1460US5424257ACeramic moldings composed of aluminum oxide having high metallization adhesionHOECHST CERAM TEC AG·Filed 1993·Granted Jun 13, 1995·19 cites·11 claims
- 1558US5389583AProcess for the preparation of a silicate-bound materialHOECHST CERAM TEC AG·Filed 1993·Granted Feb 14, 1995·17 cites·19 claims
- 1657US4892498AProcess for vacuum-tight sealing of a ceramic tubeHOECHST CERAM TEC AG·Filed 1989·Granted Jan 9, 1990·16 cites·18 claims
- 1756US5196754APiezoelectric tone generator and a process for producing itHOECHST CERAM TEC AG·Filed 1991·Granted Mar 23, 1993·22 cites·20 claims
- 1856US4725467APolycrystalline, translucent sintered tubesHOECHST CERAM TEC AG·Filed 1986·Granted Feb 16, 1988·14 cites·6 claims
- 1954US5977487AHigh voltage insulator of ceramic material having shrink-fit cap and method of makingHOECHST CERAM TEC AG·Filed 1997·Granted Nov 2, 1999·17 cites·21 claims
- 2054US4908081AProcess for producing a sliding bodyHOECHST CERAM TEC AG·Filed 1987·Granted Mar 13, 1990·12 cites·14 claims
- 2153US5324692AProcess for producing moldings from silicon-infiltrated silicon carbideHOECHST CERAM TEC AG·Filed 1993·Granted Jun 28, 1994·16 cites·39 claims
- 2253US5031189ALaser resonatorHOECHST CERAM TEC AG·Filed 1989·Granted Jul 9, 1991·10 cites·13 claims
- 2351US5070658ACeramic articles, and a process for the production thereofHOECHST CERAM TEC AG·Filed 1988·Granted Dec 10, 1991·11 cites·35 claims
- 2449US5087331AProcess and jig for plating pin grid arraysHOECHST CERAM TEC AG·Filed 1990·Granted Feb 11, 1992·21 cites·4 claims
- 2549US4710123AExtrusion device for the production of honeycomb structuresHOECHST CERAM TEC AG·Filed 1986·Granted Dec 1, 1987·21 cites·2 claims
- 2648US5618767AProcess for producing ceramic components of silicon carbideHOECHST CERAM TEC AG·Filed 1996·Granted Apr 8, 1997·12 cites·20 claims
- 2748US4996111AProcess for the production of a solder coating on metallized materialsHOECHST CERAM TEC AG·Filed 1990·Granted Feb 26, 1991·16 cites·7 claims
- 2847US4955522AProcess for the leakproof joining of ceramic sealing disks to metallic attachmentsHOECHST CERAM TEC AG·Filed 1989·Granted Sep 11, 1990·10 cites·17 claims
- 2944US5022976AProcess and jig for plating pin grid arraysHOECHST CERAM TEC AG·Filed 1989·Granted Jun 11, 1991·13 cites·23 claims
- 3042US5856028AProcess for producing a metal-coated, metallized component of aluminum nitride ceramic and metal-coated component obtained therebyHOECHST CERAM TEC AG·Filed 1996·Granted Jan 5, 1999·9 cites·20 claims
- 3141US5641720ACorundum porcelain composition, processes for its preparation and useHOECHST CERAM TEC AG·Filed 1995·Granted Jun 24, 1997·16 cites·19 claims
- 3241US5387562ASilicon slip-casting composition, and process for the preparation thereofHOECHST CERAM TEC AG·Filed 1992·Granted Feb 7, 1995·9 cites·17 claims
- 3340US6077564AProcess for producing a metal-coated, metallized component of aluminum nitride ceramic and metal-coated component obtained therebyHOECHST CERAM TEC AG·Filed 1997·Granted Jun 20, 2000·8 cites·17 claims
- 3439US5657818APermeable structureHOECHST CERAM TEC AG·Filed 1993·Granted Aug 19, 1997·13 cites·14 claims
- 3539US5053093AProcess for producing sliding bodies containing hollow chambersHOECHST CERAM TEC AG·Filed 1989·Granted Oct 1, 1991·9 cites·16 claims
- 3638US5351874AMethod of joining a ceramic component to a metal componentHOECHST CERAM TEC AG·Filed 1993·Granted Oct 4, 1994·7 cites·7 claims
- 3735US5525432AInternal soldering in metal/ceramic compositesHOECHST CERAM TEC AG·Filed 1994·Granted Jun 11, 1996·10 cites·18 claims
- 3835US5089194AProcess for producing ceramic film casting mixtures for thin-film circuitsHOECHST CERAM TEC AG·Filed 1990·Granted Feb 18, 1992·11 cites·15 claims
- 3935US5059367AAluminum oxide tubes and process for their manufactureHOECHST CERAM TEC AG·Filed 1989·Granted Oct 22, 1991·4 cites·16 claims
- 4032US5387441AMetal-ceramic jointHOECHST CERAM TEC AG·Filed 1992·Granted Feb 7, 1995·5 cites·5 claims
- 4131US5853839AComposite diskHOECHST CERAM TEC AG·Filed 1996·Granted Dec 29, 1998·11 cites·20 claims
- 4231US5094150APump piston for axial piston pumpsHOECHST CERAM TEC AG·Filed 1990·Granted Mar 10, 1992·5 cites·14 claims
- 4331US5069839AProcess for increasing the firing shrinkage of ceramic film casting mixturesHOECHST CERAM TEC AG·Filed 1991·Granted Dec 3, 1991·5 cites·6 claims
- 4431US4832887AProcess for firing green moldings of ceramic pastesHOECHST CERAM TEC AG·Filed 1987·Granted May 23, 1989·3 cites·5 claims
- 4530US5243257ASurge voltage protectorHOECHST CERAM TEC AG·Filed 1991·Granted Sep 7, 1993·4 cites·6 claims
- 4627US5061421AMoldings composed of cordierite and a process for producing themHOECHST CERAM TEC AG·Filed 1989·Granted Oct 29, 1991·4 cites·12 claims
- 4727US4759707APress for the preparation of plastic blanksHOECHST CERAM TEC AG·Filed 1985·Granted Jul 26, 1988·1 cites·17 claims
- 4826US5194204AProcess for producing a silicized silicon carbide dipping formerHOECHST CERAM TEC AG·Filed 1990·Granted Mar 16, 1993·5 cites·3 claims
- 4921US5275377AValve disks of silicon-infiltrated silicon carbideHOECHST CERAM TEC AG·Filed 1993·Granted Jan 4, 1994·3 cites·7 claims
- 5020US5391093ACeramic insulating blockHOECHST CERAM TEC AG·Filed 1992·Granted Feb 21, 1995·0 cites·6 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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