Assignee
TENNECO INC
79 granted patents·10 pending applications·956 citations·filing 1972–2024
Top patents by PatentIndex Score
89 records- 0193US10876475B2Steel piston crown and/or combustion engine components with dynamic thermal insulation coating and method of making and using such a coatingTENNECO INC·Filed 2017·Granted Dec 29, 2020·4 cites·19 claims
- 0290US10995661B2Thermally insulated engine components using a ceramic coatingTENNECO INC·Filed 2019·Granted May 4, 2021·2 cites·20 claims
- 0390US4465308AConnection flange for tubular membersTENNECO INC·Filed 1981·Granted Aug 14, 1984·114 cites·10 claims
- 0488US4004887ACatalytic converter having a resilient thermal-variation compensating monolith-mounting arrangementTENNECO INC·Filed 1973·Granted Jan 25, 1977·58 cites·12 claims
- 0588US3989471ARadial flow catalytic converter having thermal expansion compensating meansTENNECO INC·Filed 1975·Granted Nov 2, 1976·56 cites·2 claims
- 0687US10450999B2Reduced compression height dual gallery piston, piston assembly therewith and methods of construction thereofTENNECO INC·Filed 2019·Granted Oct 22, 2019·1 cites·10 claims
- 0784US11111851B2Combustion engine components with dynamic thermal insulation coating and method of making and using such a coatingTENNECO INC·Filed 2020·Granted Sep 7, 2021·1 cites·20 claims
- 0883US4846302AAcoustic mufflerTENNECO INC·Filed 1986·Granted Jul 11, 1989·82 cites·8 claims
- 0983US4161509AMonolithic converterTENNECO INC·Filed 1975·Granted Jul 17, 1979·44 cites·11 claims
- 1083US4028243ARelief valve for a fluid filter assemblyTENNECO INC·Filed 1976·Granted Jun 7, 1977·55 cites·3 claims
- 1181US11850773B2Piston including a composite layer applied to metal substrateTENNECO INC·Filed 2022·Granted Dec 26, 2023·0 cites·9 claims
- 1281US4913260AGas silencing system with controlling sound attenuationTENNECO INC·Filed 1988·Granted Apr 3, 1990·73 cites·30 claims
- 1381US4192401AComplete louver flow mufflerTENNECO INC·Filed 1976·Granted Mar 11, 1980·40 cites·29 claims
- 1480US11073186B2Brake pad backing plateTENNECO INC·Filed 2019·Granted Jul 27, 2021·2 cites·17 claims
- 1578US4331210ALive spindle vehicle drive wheel assembly with axially moveable axleTENNECO INC·Filed 1980·Granted May 25, 1982·27 cites·14 claims
- 1677US11719184B1Piston with engineered crown coating and method of manufacturingTENNECO INC·Filed 2022·Granted Aug 8, 2023·0 cites·13 claims
- 1777US2023340925A1Piston with engineered crown coating and method of manufacturingTENNECO INC·Filed 2023·Application pending·0 cites
- 1876US11075504B2Corona ignition device with improved electrical performanceTENNECO INC·Filed 2019·Granted Jul 27, 2021·0 cites·20 claims
- 1975US11511515B2Piston including a composite layer applied to a metal substrateTENNECO INC·Filed 2019·Granted Nov 29, 2022·0 cites·9 claims
- 2075US3960232AExhaust system mountingTENNECO INC·Filed 1973·Granted Jun 1, 1976·32 cites·7 claims
- 2174US12110837B2Insulation layer on steel pistonsTENNECO INC·Filed 2019·Granted Oct 8, 2024·0 cites·10 claims
- 2274US11719185B2Coating to reduce coking deposits on steel pistonsTENNECO INC·Filed 2021·Granted Aug 8, 2023·0 cites·8 claims
- 2374US11557882B2Corona ignition device with improved electrical performanceTENNECO INC·Filed 2021·Granted Jan 17, 2023·0 cites·6 claims
- 2474US11050222B2Concurrent method for resonant frequency detection in corona ignition systemsTENNECO INC·Filed 2018·Granted Jun 29, 2021·0 cites·16 claims
- 2573US11181196B2Multilayer static gasket, distance layer with improved stopper region therefor, and method of construction thereofTENNECO INC·Filed 2019·Granted Nov 23, 2021·0 cites·9 claims
- 2673US2019210105A1Iron-based sintered powder metal for wear resistant applicationsTENNECO INC·Filed 2019·Application pending·0 cites
- 2772US11560947B2Piston with keystone second ring groove for high temperature internal combustion enginesTENNECO INC·Filed 2021·Granted Jan 24, 2023·0 cites·14 claims
- 2872US10926334B2Powder metal material for wear and temperature resistance applicationsTENNECO INC·Filed 2020·Granted Feb 23, 2021·0 cites·20 claims
- 2972US10490982B2Corona ignition device with improved electrical performanceTENNECO INC·Filed 2018·Granted Nov 26, 2019·0 cites·2 claims
- 3072US4087039AMethod of making catalytic converters for exhaust gasesTENNECO INC·Filed 1976·Granted May 2, 1978·29 cites·2 claims
- 3171US10774805B2Igniter assembly with improved insulation and method of insulating the igniter assemblyTENNECO INC·Filed 2019·Granted Sep 15, 2020·0 cites·3 claims
- 3270US11365806B2Coated piston ring for an internal combustion engineTENNECO INC·Filed 2019·Granted Jun 21, 2022·0 cites·13 claims
- 3369US11149851B2Piston ring with wear resistant coatingTENNECO INC·Filed 2018·Granted Oct 19, 2021·0 cites·13 claims
- 3468US11906052B2Coated piston ring for an internal combustion engineTENNECO INC·Filed 2022·Granted Feb 20, 2024·0 cites·8 claims
- 3568US10784655B2Corona igniter with hermetic combustion seal on insulator inner diameterTENNECO INC·Filed 2019·Granted Sep 22, 2020·0 cites·7 claims
- 3667US2025333858A1High pressure gasket for an electrolysis deviceTENNECO INC·Filed 2024·Application pending·0 cites
- 3764US12516735B2PTFE shaft seal and method of makingTENNECO INC·Filed 2023·Granted Jan 6, 2026·0 cites·12 claims
- 3864US11746725B2Steel piston having oxidation and erosion protectionTENNECO INC·Filed 2020·Granted Sep 5, 2023·0 cites·23 claims
- 3964US4111279ALouver flow mufflerTENNECO INC·Filed 1976·Granted Sep 5, 1978·18 cites·9 claims
- 4063US4373329ATubular exhaust manifoldTENNECO INC·Filed 1980·Granted Feb 15, 1983·34 cites·17 claims
- 4163US2019061074A1Piston and method of making a pistonTENNECO INC·Filed 2018·Application pending·0 cites
- 4261US3975826ACatalytic converter for exhaust gasesTENNECO INC·Filed 1974·Granted Aug 24, 1976·18 cites·12 claims
- 4359US10610984B2Piston and method of making a pistonTENNECO INC·Filed 2016·Granted Apr 7, 2020·0 cites·5 claims
- 4459US4756383AMuffler with adjustable bushingTENNECO INC·Filed 1986·Granted Jul 12, 1988·24 cites·25 claims
- 4558US10539237B2Bimetallic static gasket and method of construction thereofTENNECO INC·Filed 2018·Granted Jan 21, 2020·0 cites·18 claims
- 4657US12338513B2Bearing formed of an aluminum alloy material and method of manufacturingTENNECO INC·Filed 2021·Granted Jun 24, 2025·0 cites·8 claims
- 4757US11959436B2Piston including spiral features to increase in-cylinder swirlTENNECO INC·Filed 2022·Granted Apr 16, 2024·0 cites·15 claims
- 4857US10934967B2Thermal barrier cylinder liner insertTENNECO INC·Filed 2018·Granted Mar 2, 2021·0 cites·20 claims
- 4957US4735283AMuffler with flow director platesTENNECO INC·Filed 1986·Granted Apr 5, 1988·25 cites·8 claims
- 5056US11313316B1Piston with enhanced undercrown coolingTENNECO INC·Filed 2021·Granted Apr 26, 2022·0 cites·20 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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