Assignee
THYSSEN EDELSTAHLWERKE AG
DE·19 granted patents·315 citations·filing 1976–1991
Top patents by PatentIndex Score
19 records- 0195US4198233AMethod for the manufacture of tools, machines or parts thereof by composite sinteringTHYSSEN EDELSTAHLWERKE AG·Filed 1978·Granted Apr 15, 1980·114 cites·8 claims
- 0280US4859649ASemi-finished products of ferritic steel and catalytic substrate containing sameTHYSSEN EDELSTAHLWERKE AG·Filed 1988·Granted Aug 22, 1989·39 cites·10 claims
- 0373US4155752ACorrosion-resistant ferritic chrome-molybdenum-nickel steelTHYSSEN EDELSTAHLWERKE AG·Filed 1978·Granted May 22, 1979·23 cites·13 claims
- 0466US4788034AAge hardenable maetensitic steelTHYSSEN EDELSTAHLWERKE AG·Filed 1987·Granted Nov 29, 1988·19 cites·3 claims
- 0562US4859338AFilter for small particlesTHYSSEN EDELSTAHLWERKE AG·Filed 1988·Granted Aug 22, 1989·19 cites·1 claims
- 0659US4180401ASintered steel alloyTHYSSEN EDELSTAHLWERKE AG·Filed 1977·Granted Dec 25, 1979·11 cites·8 claims
- 0751US5022933AProcess for annealing boron-containing steels and product thereofTHYSSEN EDELSTAHLWERKE AG·Filed 1989·Granted Jun 11, 1991·7 cites·6 claims
- 0850US4863895AHoneycomb body as catalyst support for cleaning the exhaust of internal combustion enginesTHYSSEN EDELSTAHLWERKE AG·Filed 1988·Granted Sep 5, 1989·16 cites·4 claims
- 0947US4242130AHigh-speed steelTHYSSEN EDELSTAHLWERKE AG·Filed 1978·Granted Dec 30, 1980·9 cites·2 claims
- 1045US5221373AInternal combustion engine valve composed of precipitation hardening ferritic-pearlitic steelTHYSSEN EDELSTAHLWERKE AG·Filed 1991·Granted Jun 22, 1993·7 cites·2 claims
- 1143US4838963AMicro-alloyed steelsTHYSSEN EDELSTAHLWERKE AG·Filed 1987·Granted Jun 13, 1989·9 cites·6 claims
- 1242US4386959AMethod for compound sinteringTHYSSEN EDELSTAHLWERKE AG·Filed 1980·Granted Jun 7, 1983·7 cites·4 claims
- 1341US4604147AMethod of manufacturing permanent magnetsTHYSSEN EDELSTAHLWERKE AG·Filed 1984·Granted Aug 5, 1986·6 cites·2 claims
- 1440US4728495ARemovable dental appliancesTHYSSEN EDELSTAHLWERKE AG·Filed 1986·Granted Mar 1, 1988·8 cites·7 claims
- 1540US4156606AHard-material alloy for use in tool parts and parts subject to wearTHYSSEN EDELSTAHLWERKE AG·Filed 1977·Granted May 29, 1979·5 cites·5 claims
- 1635US4969960AMethod for increasing the resistance to thermal shocks in heating conductor materialsTHYSSEN EDELSTAHLWERKE AG·Filed 1989·Granted Nov 13, 1990·8 cites·10 claims
- 1735US4060431AHeat-treatable steelTHYSSEN EDELSTAHLWERKE AG·Filed 1976·Granted Nov 29, 1977·6 cites·2 claims
- 1830US4919863AFilter for small particlesTHYSSEN EDELSTAHLWERKE AG·Filed 1989·Granted Apr 24, 1990·1 cites·11 claims
- 1918US4953613ALifting device on a continuous casting moldTHYSSEN EDELSTAHLWERKE AG·Filed 1990·Granted Sep 4, 1990·1 cites·5 claims
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