Inventor · disambiguated record
Siegmar Block
Also filed as: BLOCK SIEGMAR
7 granted patents·104 citations·filing 1979–1989
86Inventor score
Top patents by PatentIndex Score
7 records- 0179US4361075AUnlockable check valve, particularly for use as recovery and setting valve in underground miningTHYSSEN INDUSTRIE·Filed 1980·Granted Nov 30, 1982·26 cites·6 claims
- 0269US4529006AElectrohydraulic three-port, two position valveBLOCK SIEGMAR·Filed 1984·Granted Jul 16, 1985·30 cites·7 claims
- 0362US4274435AExcess pressure valve particularly for a fluid pressure operated telescopic supporting element employed in underground miningTHYSSEN INDUSTRIE·Filed 1979·Granted Jun 23, 1981·19 cites·5 claims
- 0454US4379662AControl device for an advancing support in underground miningTHYSSEN INDUSTRIE·Filed 1981·Granted Apr 12, 1983·9 cites·8 claims
- 0545US4798417AMethod of separating the upper coal in seamsBOCHUMER EISEN HEINTZMANN·Filed 1987·Granted Jan 17, 1989·14 cites·5 claims
- 0629US5000622AShaking control unit for a hydraulic cylinderBOCHUMER EISEN HEINTZMANN·Filed 1989·Granted Mar 19, 1991·3 cites·1 claims
- 0729US4907918AShaking control unit for a hydraulic cylinderBOCHUMER EISEN HEINTZMANN·Filed 1987·Granted Mar 13, 1990·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →