Inventor · disambiguated record
Carl-Johan Hjerpe
Also filed as: HJERPE CARL-JOHAN
12 granted patents·1 pending application·196 citations·filing 2003–2014
92Inventor score
Top patents by PatentIndex Score
13 records- 0196US7297260B2System and devices for collecting and treating waste water from engine washingGAS TURBINE EFFICIENCY AB·Filed 2004·Granted Nov 20, 2007·47 cites·27 claims
- 0292US7497220B2Method and apparatus for cleaning a turbofan gas turbine engineGAS TURBINE EFFICIENCY AB·Filed 2004·Granted Mar 3, 2009·37 cites·22 claims
- 0391US8479754B2System for washing an aero gas turbine engineHJERPE CARL-JOHAN·Filed 2005·Granted Jul 9, 2013·23 cites·41 claims
- 0491US7815743B2Method and apparatus for cleaning a turbofan gas turbine engineGAS TURBINE EFFICIENCY AB·Filed 2009·Granted Oct 19, 2010·20 cites·40 claims
- 0589US10041372B2System for washing an aero gas turbine engineECOSERVICES LLC·Filed 2013·Granted Aug 7, 2018·4 cites·21 claims
- 0689US9657589B2System for washing an aero gas turbine engineECOSERVICES LLC·Filed 2014·Granted May 23, 2017·6 cites·19 claims
- 0780US7938910B2Method for washing gas turbine compressor with nozzleGAS TURBINE EFFICIENCY AB·Filed 2010·Granted May 10, 2011·6 cites·14 claims
- 0880US7428818B2System and method for augmenting power output from a gas turbine engineGAS TURBINE EFFICIENCY AB·Filed 2005·Granted Sep 30, 2008·21 cites·43 claims
- 0978US7428906B2Method for cleaning a stationary gas turbine unit during operationGAS TURBINE EFFICIENCY AB·Filed 2003·Granted Sep 30, 2008·15 cites·32 claims
- 1070US7670440B2Nozzle and method for washing gas turbine compressorsGAS TURBINE EFFICIENCY AB·Filed 2004·Granted Mar 2, 2010·8 cites·13 claims
- 1168US8273187B2Probe cleaning method and apparatusASPLUND PETER·Filed 2011·Granted Sep 25, 2012·3 cites·13 claims
- 1263US2008216873A1System and devices for collecting and treating waste water from engine washingGAS TURBINE EFFICIENCY AB·Filed 2007·Application pending·0 cites
- 1359US8066816B2Probe cleaning method and apparatusASPLUND PETER·Filed 2005·Granted Nov 29, 2011·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →