Inventor · disambiguated record
Helmut Winnacker
Also filed as: WINNACKER HELMUT
14 granted patents·1 pending application·317 citations·filing 1974–2009
93Inventor score
Files withPREUSSAG AG7PREC DRILLING TECH SERV GROUP4WINNACKER HELMUT2DRAEGER UWE1WEATHERFORD ENERGY SERVICES GMBH1
Top patents by PatentIndex Score
15 records- 0183US4153357AUnderwater cameraPREUSSAG AG·Filed 1977·Granted May 8, 1979·19 cites·10 claims
- 0282US6636159B1Borehole logging apparatus for deep well drillings with a device for transmitting borehole measurement dataPREC DRILLING TECH SERV GROUP·Filed 2000·Granted Oct 21, 2003·68 cites·10 claims
- 0379US4184758ADeep sea underwater cameraPREUSSAG AG·Filed 1977·Granted Jan 22, 1980·11 cites·4 claims
- 0477US3939391AApparatus for charging a hermetically sealed electrical energy sourcePREUSSAG AG·Filed 1974·Granted Feb 17, 1976·21 cites·5 claims
- 0576US5182731AWell bore data transmission apparatusPREUSSAG AG·Filed 1992·Granted Jan 26, 1993·94 cites·11 claims
- 0673US4745276ADevice for the detection of fluorescent substances on the surface of the earthPREUSSAG AG·Filed 1986·Granted May 17, 1988·44 cites·7 claims
- 0769US8092147B2Turbine for power generation in a drill stringDRAEGER UWE·Filed 2008·Granted Jan 10, 2012·9 cites·20 claims
- 0869US4035816AHousing assembly for an underwater camera with a flash devicePREUSSAG AG·Filed 1976·Granted Jul 12, 1977·7 cites·10 claims
- 0961US8042572B2Controllable pressure-reducing valve and device for the generation of pressure change signalsWEATHERFORD ENERGY SERVICES GMBH·Filed 2008·Granted Oct 25, 2011·5 cites·32 claims
- 1061US6850463B2Borehole logging apparatus for deep well drillingPREC DRILLING TECH SERV GROUP·Filed 2002·Granted Feb 1, 2005·24 cites·7 claims
- 1157US8585349B2Turbine for driving a generator in a drill stringWINNACKER HELMUT·Filed 2009·Granted Nov 19, 2013·2 cites·12 claims
- 1254US8109721B2Bearing arrangement for a turbine rotor of a drill string turbineWINNACKER HELMUT·Filed 2008·Granted Feb 7, 2012·1 cites·10 claims
- 1342US6864593B2Device for producing of electric energy and of signal transmitting pressure pulsesPREC DRILLING TECH SERV GROUP·Filed 2003·Granted Mar 8, 2005·9 cites·17 claims
- 1434US2004027917A1Borehole logging apparatus for deep well drilling with a device for transmitting borehole measurement dataPREC DRILLING TECH SERV GROUP·Filed 2003·Application pending·0 cites
- 1525US4580049AProbe for locating mineral depositsPREUSSAG AG·Filed 1984·Granted Apr 1, 1986·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →