Inventor · disambiguated record
Walter Weirich
Also filed as: BEYER HERBERT · ROSENBERG HARRY · WEIRICH WALTER
49 granted patents·724 citations·filing 1975–1990
98Inventor score
Top patents by PatentIndex Score
49 records- 0193US4496373ADiffusion membrane and process for separating hydrogen from gas mixtureKERNFORSCHUNGSANLAGE JUELICH·Filed 1984·Granted Jan 29, 1985·80 cites·20 claims
- 0291US4713234AProcess and apparatus for conversion of water vapor with coal or hydrocarbon into a product gasKERNFORSCHUNGSANLAGE JUELICH·Filed 1985·Granted Dec 15, 1987·102 cites·17 claims
- 0382US4427321AMineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Jan 24, 1984·20 cites·25 claims
- 0477US4544185AHydraulic coupling deviceGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Oct 1, 1985·39 cites·14 claims
- 0576US4378027AControl unit for an electro-hydraulic roof support control arrangementGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Mar 29, 1983·28 cites·19 claims
- 0675US4149567AMulti-core hydraulic ductGEWERK EISENHUETTE WESTFALIA·Filed 1978·Granted Apr 17, 1979·31 cites·5 claims
- 0770US4378124AHydraulic coupling deviceGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Mar 29, 1983·31 cites·11 claims
- 0869US4319772AHydraulic coupling deviceGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Mar 16, 1982·33 cites·9 claims
- 0969US4313463APressure-relief valve deviceGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Feb 2, 1982·25 cites·11 claims
- 1069US4247135AHydraulic coupling deviceGEWERK EISENHUETTE WESTFALIA·Filed 1978·Granted Jan 27, 1981·25 cites·7 claims
- 1166US4781734ANon-porous hydrogen diffusion membrane and utilization thereofKERNFORSCHUNGSANLAGE JUELICH·Filed 1983·Granted Nov 1, 1988·16 cites·3 claims
- 1265US4068893AApparatus for controlling water spraying operations in mineral minesGEWERK EISENHUETTE WESTFALIA·Filed 1976·Granted Jan 17, 1978·10 cites·9 claims
- 1364US4284101APressure-relief valve devicesGEWERK EISENHUETTE WESTFALIA·Filed 1978·Granted Aug 18, 1981·19 cites·10 claims
- 1462US4552487AMine roof support unit having dust suppression meansGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Nov 12, 1985·11 cites·19 claims
- 1561US4169689ATensioning a longwall mineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1978·Granted Oct 2, 1979·10 cites·29 claims
- 1661US4074695APressure-relief valve devicesGEWERK EISENHUETTE WESTFALIA·Filed 1976·Granted Feb 21, 1978·15 cites·13 claims
- 1760US4451181AControl systems for mineral mining installationsGEWERK EISENHUETTE WESTFALIA·Filed 1982·Granted May 29, 1984·11 cites·5 claims
- 1859US4790347APressure-relief valve devicesGEWERK EISENHUETTE WESTFALIA·Filed 1987·Granted Dec 13, 1988·20 cites·16 claims
- 1959US4327628AHydraulic roof support control systemGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted May 4, 1982·10 cites·23 claims
- 2056US4716928APressure-relief valve devicesGEWERK EISENHUETTE WESTFALIA·Filed 1986·Granted Jan 5, 1988·18 cites·4 claims
- 2156US4307981AMineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Dec 29, 1981·7 cites·22 claims
- 2255US4702148AControl of the actuation of hydraulic consumersGEWERK EISENHUETTE WESTFALIA·Filed 1986·Granted Oct 27, 1987·14 cites·13 claims
- 2354US5060556AArrangement for emergency operation of hydraulic appliance in an electro-hydraulically controlled mineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1990·Granted Oct 29, 1991·16 cites·7 claims
- 2453US4099782AControl system for a mineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1977·Granted Jul 11, 1978·7 cites·33 claims
- 2551US4191498AHydraulic roof support control systemGEWERK EISENHUETTE WESTFALIA·Filed 1978·Granted Mar 4, 1980·6 cites·19 claims
- 2650US4572709AControl apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Feb 25, 1986·6 cites·31 claims
- 2750US4046060AHydraulic control systems for use with mining apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1975·Granted Sep 6, 1977·6 cites·5 claims
- 2849US4422807AMine roof supportsGEWERK EISENHUETTE WESTFALIA·Filed 1982·Granted Dec 27, 1983·6 cites·13 claims
- 2947US4306822AHydraulic control meansGEWERK EISENHUETTE WESTFALIA·Filed 1979·Granted Dec 22, 1981·5 cites·10 claims
- 3044US4613257AHydraulic control arrangementGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Sep 23, 1986·5 cites·25 claims
- 3143US4755084AMulti-part roof-contacting structures of mine roof supportsGEWERK EISENHUETTE WESTFALIA·Filed 1987·Granted Jul 5, 1988·11 cites·3 claims
- 3243US4391181AHydraulic control systems for mining apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Jul 5, 1983·5 cites·4 claims
- 3342US4534681AMine roof supportsGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Aug 13, 1985·4 cites·4 claims
- 3442US4247226AHydraulic conduit systems for mine installationsGEWERK EISENHUETTE WESTFALIA·Filed 1978·Granted Jan 27, 1981·4 cites·6 claims
- 3540US5157947ABalanced hydraulic valve devicesGEWERK EISENHUETTE WESTFALIA·Filed 1989·Granted Oct 27, 1992·9 cites·3 claims
- 3640US4391553AHydraulic control systems for and methods of controlling the operation of tunnelling apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Jul 5, 1983·4 cites·18 claims
- 3738US4537221AHydraulic control devices for use with mining apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1984·Granted Aug 27, 1985·3 cites·9 claims
- 3837US4440522AHydraulic control arrangement for a roof support unit of a mineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Apr 3, 1984·3 cites·17 claims
- 3936US4325659AMineral mining installationGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Apr 20, 1982·6 cites·13 claims
- 4036US4310027AHydraulic control devices for use with mining apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1979·Granted Jan 12, 1982·2 cites·13 claims
- 4135US4536017AConnecting devices for use with pneumatic or hydraulic hosesGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Aug 20, 1985·6 cites·12 claims
- 4235US4493340AHydraulic couplingGEWERK EISENHUETTE WESTFALIA·Filed 1982·Granted Jan 15, 1985·6 cites·8 claims
- 4334US4443135AControl apparatusGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Apr 17, 1984·2 cites·28 claims
- 4434US4302034AHydraulic coupling deviceGEWERK EISENHUETTE WESTFALIA·Filed 1980·Granted Nov 24, 1981·10 cites·11 claims
- 4533US4048866AApparatus for use in controlling the tension of a chain or chains of mining equipmentGEWERK EISENHUETTE WESTFALIA·Filed 1976·Granted Sep 20, 1977·2 cites·9 claims
- 4631US4737052ADistributorGEWERK EISENHUETTE WESTFALIA·Filed 1987·Granted Apr 12, 1988·3 cites·13 claims
- 4731US4718458ADistributors for pressure fluid control system in mineral mining installationsGEWERK EISENHUETTE WESTFALIA·Filed 1987·Granted Jan 12, 1988·1 cites·18 claims
- 4830US4534584AHydraulic connecting deviceGEWERK EISENHUETTE WESTFALIA·Filed 1983·Granted Aug 13, 1985·9 cites·7 claims
- 4930US4394875AActuator for a mine roof support unitGEWERK EISENHUETTE WESTFALIA·Filed 1981·Granted Jul 26, 1983·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →