Assignee
IPSEN IND INT GMBH
22 granted patents·382 citations·filing 1974–1996
Top patents by PatentIndex Score
22 records- 0190US4610435AIndustrial furnace for the thermal treatment of metal workpiecesIPSEN IND INT GMBH·Filed 1984·Granted Sep 9, 1986·47 cites·13 claims
- 0286US5722825ADevice for heat-treating metallic work pieces in a vacuumIPSEN IND INT GMBH·Filed 1996·Granted Mar 3, 1998·27 cites·12 claims
- 0385US4278421AIndustrial furnaces for the heat treatment of metallic workpiecesIPSEN IND INT GMBH·Filed 1979·Granted Jul 14, 1981·28 cites·12 claims
- 0484US5052923AOven for partial heat treatment of toolsIPSEN IND INT GMBH·Filed 1990·Granted Oct 1, 1991·50 cites·16 claims
- 0580US4168186AMethod for control of the carburization of parts in a vacuum furnaceIPSEN IND INT GMBH·Filed 1977·Granted Sep 18, 1979·18 cites·6 claims
- 0680US4116324ALoading deviceIPSEN IND INT GMBH·Filed 1976·Granted Sep 26, 1978·35 cites·8 claims
- 0779US4368037AConveyor arrangement for a continuous ovenIPSEN IND INT GMBH·Filed 1981·Granted Jan 11, 1983·18 cites·14 claims
- 0869US4970372AFurnace for the thermal treatment of iron and steel componentsIPSEN IND INT GMBH·Filed 1989·Granted Nov 13, 1990·12 cites·14 claims
- 0965US4205935AContinuous heating furnace for the heat treatment of small partsIPSEN IND INT GMBH·Filed 1978·Granted Jun 3, 1980·12 cites·8 claims
- 1064US5417567AHolder means for the partial thermal treatment of workpiecesIPSEN IND INT GMBH·Filed 1993·Granted May 23, 1995·12 cites·20 claims
- 1161US4372790AMethod and apparatus for the control of the carbon level of a gas mixture reacting in a furnace chamberIPSEN IND INT GMBH·Filed 1979·Granted Feb 8, 1983·13 cites·1 claims
- 1257US4304549ARecuperator burner for industrial furnacesIPSEN IND INT GMBH·Filed 1979·Granted Dec 8, 1981·16 cites·7 claims
- 1357US4086050AMethod and apparatus for gas circulation in a heat treating furnaceIPSEN IND INT GMBH·Filed 1976·Granted Apr 25, 1978·9 cites·11 claims
- 1453US4622006AMethod and apparatus for heat treating metallic workpieces using a continuous-heating furnace or gravity-discharge furnaceIPSEN IND INT GMBH·Filed 1985·Granted Nov 11, 1986·21 cites·10 claims
- 1552US4201600AMethod for the gas carburization of workpieces made of steelIPSEN IND INT GMBH·Filed 1978·Granted May 6, 1980·13 cites·12 claims
- 1651US4221561AAluminum soldering furnaceIPSEN IND INT GMBH·Filed 1978·Granted Sep 9, 1980·10 cites·8 claims
- 1748US5251231AVacuum furnaceIPSEN IND INT GMBH·Filed 1990·Granted Oct 5, 1993·9 cites·8 claims
- 1843US5717186AMethod and device for controlling the electric current density across a workpiece during heat treatment in a plasmaIPSEN IND INT GMBH·Filed 1996·Granted Feb 10, 1998·8 cites·5 claims
- 1943US5352344AMethod and apparatus for measuring the oxygen potential of a heat-treatment furnanceIPSEN IND INT GMBH·Filed 1992·Granted Oct 4, 1994·14 cites·15 claims
- 2035US5851314AMethod for plasma carburization of metal workpiecesIPSEN IND INT GMBH·Filed 1996·Granted Dec 22, 1998·7 cites·8 claims
- 2128US3942659ACradle hearth ovenIPSEN IND INT GMBH·Filed 1974·Granted Mar 9, 1976·1 cites·12 claims
- 2227US4881982AMethod for gaseous carburization of steelIPSEN IND INT GMBH·Filed 1988·Granted Nov 21, 1989·2 cites·15 claims
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