Assignee
SULZER AG
CH·813 granted patents·23,925 citations·filing 1973–1996
Top patents by PatentIndex Score
813 records- 0199US4296050APacking element for an exchange columnSULZER AG·Filed 1977·Granted Oct 20, 1981·207 cites·11 claims
- 0298US4036028AProcess and apparatus for evaporating and heating liquified natural gasSULZER AG·Filed 1975·Granted Jul 19, 1977·108 cites·7 claims
- 0397US4955908AMetallic intervertebral prosthesisSULZER AG·Filed 1988·Granted Sep 11, 1990·747 cites·10 claims
- 0497US4932969AJoint endoprosthesisSULZER AG·Filed 1987·Granted Jun 12, 1990·915 cites·9 claims
- 0597US4917704AIntervertebral prosthesisSULZER AG·Filed 1988·Granted Apr 17, 1990·708 cites·14 claims
- 0697US4777942ABone milling instrumentSULZER AG·Filed 1987·Granted Oct 18, 1988·161 cites·13 claims
- 0796US5171280AIntervertebral prosthesisSULZER AG·Filed 1991·Granted Dec 15, 1992·775 cites·20 claims
- 0895US5515871AHollow needle for medical use and a laser method for manufacturingSULZER AG·Filed 1994·Granted May 14, 1996·152 cites·12 claims
- 0995US5320644AIntervertebral disk prosthesisSULZER AG·Filed 1992·Granted Jun 14, 1994·607 cites·15 claims
- 1095US5029622AGas refuelling device and method of refuelling a motor vehicleSULZER AG·Filed 1989·Granted Jul 9, 1991·84 cites·29 claims
- 1195US5025860AMethod and apparatus of obtaining natural gas from a maritime depositSULZER AG·Filed 1990·Granted Jun 25, 1991·91 cites·13 claims
- 1295US4393752APiston compressorSULZER AG·Filed 1981·Granted Jul 19, 1983·66 cites·11 claims
- 1394US5233150AMethod of production of workpieces by welding equipmentSULZER AG·Filed 1992·Granted Aug 3, 1993·117 cites·23 claims
- 1494US4033135APlant and process for vaporizing and heating liquid natural gasSULZER AG·Filed 1976·Granted Jul 5, 1977·87 cites·12 claims
- 1593US5275227ACasting process for the production of castings by directional or monocrystalline solidificationSULZER AG·Filed 1993·Granted Jan 4, 1994·44 cites·9 claims
- 1693US4186159APacking element of foil-like material for an exchange columnSULZER AG·Filed 1977·Granted Jan 29, 1980·76 cites·8 claims
- 1792US5033940AReciprocating high-pressure compressor piston with annular clearanceSULZER AG·Filed 1990·Granted Jul 23, 1991·92 cites·11 claims
- 1891US5146955AFilling thread distributor mechanism for a series-shed weaving machineSULZER AG·Filed 1990·Granted Sep 15, 1992·55 cites·23 claims
- 1991US4776328ABone nail and an instrument for implanting a bone nailSULZER AG·Filed 1987·Granted Oct 11, 1988·332 cites·10 claims
- 2091US4128280ASelf-pressurizing floating gas bearing having a magnetic bearing thereinSULZER AG·Filed 1977·Granted Dec 5, 1978·63 cites·15 claims
- 2190US5456533AStatic mixing element having deflectors and a mixing deviceSULZER AG·Filed 1992·Granted Oct 10, 1995·79 cites·13 claims
- 2290US5417938ADevice for carrying out catalyzed reactionsSULZER AG·Filed 1989·Granted May 23, 1995·68 cites·24 claims
- 2390US5197987AKnee joint prosthesisSULZER AG·Filed 1992·Granted Mar 30, 1993·435 cites·10 claims
- 2490US4854716ADevice for processing bone cementSULZER AG·Filed 1988·Granted Aug 8, 1989·89 cites·20 claims
- 2590US4230445ABurner for a fluid fuelSULZER AG·Filed 1978·Granted Oct 28, 1980·52 cites·24 claims
- 2689US5210680ACard cage having an air cooling systemSULZER AG·Filed 1991·Granted May 11, 1993·262 cites·4 claims
- 2789US5058628ATerry loom having programmable pile forming elementsSULZER AG·Filed 1989·Granted Oct 22, 1991·29 cites·25 claims
- 2889US4966206ADevice for filling a gaseous fuel containerSULZER AG·Filed 1988·Granted Oct 30, 1990·62 cites·27 claims
- 2989US4804382AArtificial vesselSULZER AG·Filed 1987·Granted Feb 14, 1989·263 cites·11 claims
- 3089US4523587ARetention device for centering an endoprosthesis shank in a boneSULZER AG·Filed 1983·Granted Jun 18, 1985·145 cites·16 claims
- 3189US3988897AApparatus for storing and re-utilizing electrical energy produced in an electric power-supply networkSULZER AG·Filed 1975·Granted Nov 2, 1976·119 cites·7 claims
- 3289US3979914AProcess and apparatus for superheating partly expanded steamSULZER AG·Filed 1975·Granted Sep 14, 1976·46 cites·11 claims
- 3388US5147402AImplant for ingrowth of osseous tissueSULZER AG·Filed 1991·Granted Sep 15, 1992·352 cites·1 claims
- 3488US4744928ARegular packing for countercurrent mass and direct heat transfer columnsSULZER AG·Filed 1982·Granted May 17, 1988·46 cites·8 claims
- 3588US4427605ATray device for collecting and distributing liquid for a counter-current columnSULZER AG·Filed 1982·Granted Jan 24, 1984·60 cites·2 claims
- 3688US4366845ANozzle assemblySULZER AG·Filed 1980·Granted Jan 4, 1983·16 cites·12 claims
- 3788US3978663AProcess and apparatus for evaporating and heating liquified natural gasSULZER AG·Filed 1975·Granted Sep 7, 1976·73 cites·5 claims
- 3887US4855089ADistributor for distributing liquid in an exchange columnSULZER AG·Filed 1988·Granted Aug 8, 1989·63 cites·15 claims
- 3987US4758169AInjection valve for reciprocating internal combustion engineSULZER AG·Filed 1987·Granted Jul 19, 1988·37 cites·6 claims
- 4087US4731229AReactor and packing element for catalyzed chemical reactionsSULZER AG·Filed 1986·Granted Mar 15, 1988·128 cites·17 claims
- 4187US4584840ACooling machine or heat pumpSULZER AG·Filed 1984·Granted Apr 29, 1986·39 cites·14 claims
- 4287US4563843AHeat insulation windowSULZER AG·Filed 1984·Granted Jan 14, 1986·62 cites·14 claims
- 4387US4557877ALiquid distributor for an exchange columnSULZER AG·Filed 1983·Granted Dec 10, 1985·66 cites·6 claims
- 4487US4497753ACorrugated sheet packing and method of makingSULZER AG·Filed 1982·Granted Feb 5, 1985·47 cites·5 claims
- 4587US4458726AApparatus for controlling weft pickingSULZER AG·Filed 1981·Granted Jul 10, 1984·30 cites·8 claims
- 4686US5209062ALarge diesel engineSULZER AG·Filed 1991·Granted May 11, 1993·90 cites·20 claims
- 4786US4728329AProsthetic bandSULZER AG·Filed 1986·Granted Mar 1, 1988·195 cites·15 claims
- 4886US4612898ACylinder head for a piston internal combustion engineSULZER AG·Filed 1985·Granted Sep 23, 1986·32 cites·8 claims
- 4986US4345339ABiologically implantable member for a tendon and/or ligamentSULZER AG·Filed 1981·Granted Aug 24, 1982·66 cites·12 claims
- 5086US4271665AInstallation for generating pressure gas or mechanical energySULZER AG·Filed 1979·Granted Jun 9, 1981·39 cites·13 claims
Showing the top 50 of 813 patent records by PatentIndex Score.
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