Inventor · disambiguated record
Per A. Vatne
Also filed as: VATNE PER · VATNE PER A · VATNE PER ANDREAS
20 granted patents·3 pending applications·260 citations·filing 1989–2020
94Inventor score
Top patents by PatentIndex Score
23 records- 0185US6347424B1Movement absorbing transferring systemPEVATEK AS·Filed 1999·Granted Feb 19, 2002·43 cites·13 claims
- 0284US4979356ATorque wrenchMARITIME HYDRAULICS AS·Filed 1989·Granted Dec 25, 1990·74 cites·10 claims
- 0371US6094910AApparatus and method for raising and lowering a piston in a piston cylinder arrangement in a derrickMARITIME HYDRAULICS AS·Filed 1996·Granted Aug 1, 2000·22 cites·16 claims
- 0468US8678112B2Slip device for suspending a drill or casing string in a drill floorVATNE PER A·Filed 2009·Granted Mar 25, 2014·9 cites·10 claims
- 0565US9222313B2Arrangement in a hose connection between a wellhead and a surface installationVATNE PER A·Filed 2013·Granted Dec 29, 2015·2 cites·8 claims
- 0662US8505980B2Arrangement in a hose connection between a wellhead and a surface installationVATNE PER A·Filed 2009·Granted Aug 13, 2013·6 cites·15 claims
- 0761US7836795B2Power tong deviceWELLQUIP AS·Filed 2006·Granted Nov 23, 2010·8 cites·9 claims
- 0858US6148922ASlip jointMARITIME HYDRAULICS AS·Filed 1997·Granted Nov 21, 2000·39 cites·8 claims
- 0957US8439128B2Device for cleaning and doping equipment for threadsVATNE PER A·Filed 2006·Granted May 14, 2013·4 cites·12 claims
- 1055US8037786B2Hydraulic circuit deviceWELLQUIP AS·Filed 2006·Granted Oct 18, 2011·5 cites·6 claims
- 1154US11993351B2Single-column semi-submersible platformSTATIONMAR AS·Filed 2020·Granted May 28, 2024·0 cites·20 claims
- 1251US11878777B2Geostationary floating platformPAV HOLDING AS·Filed 2019·Granted Jan 23, 2024·0 cites·9 claims
- 1350US8505635B2Device for a top drive drilling machine for continuous circulation of drilling mudVATNE PER A·Filed 2008·Granted Aug 13, 2013·2 cites·9 claims
- 1449US2014174829A1Device for a top drive drilling machine for continuous circulation of drilling mudVATNE PER A·Filed 2013·Application pending·0 cites
- 1548US2014150719A1Device for cleaning and doping equipment for threadsVATNE PER A·Filed 2013·Application pending·0 cites
- 1645US9708868B2Slip device for suspending a drill or casing stringTTS SENSE AS·Filed 2014·Granted Jul 18, 2017·0 cites·12 claims
- 1745US6095501AStretch compensation in a hoisting system for a derrickMARITIME HYDRAULICS AS·Filed 1996·Granted Aug 1, 2000·22 cites·4 claims
- 1843US6032929AArrangement in connection with a yoke in a hoisting system for a derrickMARITIME HYDRAULICS AS·Filed 1996·Granted Mar 7, 2000·20 cites·4 claims
- 1941US10385617B2High frequency fluid driven drill hammer percussion drilling in hard formationsVATNE PER A·Filed 2012·Granted Aug 20, 2019·0 cites·10 claims
- 2037US10400513B2Fluid pressure driven, high frequency percussion hammer for drilling in hard formationsHAMMERGY AS·Filed 2014·Granted Sep 3, 2019·0 cites·11 claims
- 2136US6575692B2Method of unloading of solid substance having high degree of water contentPEVATEC AS·Filed 2001·Granted Jun 10, 2003·2 cites·4 claims
- 2230US2003194296A1Loading and unloading of solid substance having high degree of water contentPEVATEC AS·Filed 2003·Application pending·0 cites
- 2329US6202274B1Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings thereinMARITIME HYDRAULICS AS·Filed 1997·Granted Mar 20, 2001·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →