Inventor · disambiguated record
Per Eske Fenger
Also filed as: FENGER PER · FENGER PER E · FENGER PER ESKE
25 granted patents·4 pending applications·71 citations·filing 2009–2025
94Inventor score
Top patents by PatentIndex Score
29 records- 0196US10378518B2Main shaft fixtureLIFTRA IP APS·Filed 2015·Granted Aug 13, 2019·9 cites·8 claims
- 0293US10703610B2Lifting bracketLIFTRA IP APS·Filed 2016·Granted Jul 7, 2020·9 cites·5 claims
- 0392US9909559B2Uptower wind turbine component replacementINVENTUS HOLDINGS LLC·Filed 2014·Granted Mar 6, 2018·10 cites·18 claims
- 0491US12116249B2Self-hoisting crane system and method of hoisting a self-hoisting craneLIFTRA IP APS·Filed 2020·Granted Oct 15, 2024·4 cites·20 claims
- 0590US2025101958A1Main shaft fixtureLIFTRA IP APS·Filed 2024·Application pending·0 cites
- 0688US12104578B2Main shaft fixtureLIFTRA IP APS·Filed 2024·Granted Oct 1, 2024·0 cites·17 claims
- 0786US12092073B2Wind turbine tower with crane connection elements and a crane with tower flange connection elementsLIFTRA IP APS·Filed 2020·Granted Sep 17, 2024·2 cites·7 claims
- 0885US9115693B2Device for establishing admittance and transport of cargo to and from a wind turbine construction above ground levelFENGER PER E·Filed 2010·Granted Aug 25, 2015·9 cites·15 claims
- 0983US11932520B2Method of mounting a self-hoisting crane on a wind turbine and self-hoisting craneLIFTRA IP APS·Filed 2020·Granted Mar 19, 2024·2 cites·20 claims
- 1083US10851764B2Uptower wind turbine component replacementINVENTUS HOLDINGS LLC·Filed 2018·Granted Dec 1, 2020·2 cites·18 claims
- 1182US12338798B2Uptower main bearing replacementINVENTUS HOLDINGS LLC·Filed 2023·Granted Jun 24, 2025·0 cites·19 claims
- 1280US9845791B2Method and means for establishing access to the main parts in the nacelle on a wind turbineLIFTRA IP APS·Filed 2013·Granted Dec 19, 2017·6 cites·7 claims
- 1379US2024418151A1Wind turbine tower with crane connection elements and a crane with tower flange connection elementsLIFTRA IP APS·Filed 2024·Application pending·0 cites
- 1476US9415978B2Crane with double wire guide and anchoring bracket arranged in the nacelle of a wind turbineLIFTRA IP APS·Filed 2013·Granted Aug 16, 2016·5 cites·5 claims
- 1575US11994102B2Rotor blade clamping toolLIFTRA IP APS·Filed 2023·Granted May 28, 2024·0 cites·17 claims
- 1674US12473179B2Base for supporting a portable crane and a method for removing a main bearing of a wind turbineLIFTRA IP APS·Filed 2022·Granted Nov 18, 2025·0 cites·20 claims
- 1772US10753339B2Adjustable retention fixture for wind turbine membersLIFTRA IP APS·Filed 2017·Granted Aug 25, 2020·2 cites·10 claims
- 1870US11603824B2Uptower crane and rotor lock for wind turbine component replacementINVENTUS HOLDINGS LLC·Filed 2020·Granted Mar 14, 2023·0 cites·19 claims
- 1969US11092139B2Rotor blade replacement systemLIFTRA IP APS·Filed 2017·Granted Aug 17, 2021·1 cites·8 claims
- 2067US8998546B2Fixture for retaining an end of a memberFENGER PER E·Filed 2009·Granted Apr 7, 2015·9 cites·8 claims
- 2167US2019316569A1Main shaft fixtureLIFTRA IP APS·Filed 2019·Application pending·0 cites
- 2263US2025230021A1Method and yoke for lifting a wind turbine componentLIFTRA IP APS·Filed 2025·Application pending·0 cites
- 2360US11732695B2Rotor blade clamping toolLIFTRA IP APS·Filed 2019·Granted Aug 22, 2023·0 cites·16 claims
- 2459US12428268B2Counterweight toolLIFTRA IP APS·Filed 2023·Granted Sep 30, 2025·0 cites·10 claims
- 2559US12116248B2Crane system for hoisting of wind turbine componentsLIFTRA IP APS·Filed 2020·Granted Oct 15, 2024·0 cites·20 claims
- 2658US12215000B2Method and yoke for lifting a wind turbine componentLIFTRA IP APS·Filed 2020·Granted Feb 4, 2025·0 cites·19 claims
- 2758US8636488B2Hydraulic motor or pumpFENGER PER E·Filed 2010·Granted Jan 28, 2014·1 cites·6 claims
- 2847US12434946B2Rotor blade hoisting system and method of installation and/or deinstallation of a rotor bladeLIFTRA IP APS·Filed 2019·Granted Oct 7, 2025·0 cites·20 claims
- 2945US10611608B2Method and device for automatic control of the position of a burden suspended in a main wire on a craneLIFTRA IP APS·Filed 2015·Granted Apr 7, 2020·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →