Inventor · disambiguated record
Norman A. Henry
Also filed as: HENRY NORMAN A
10 granted patents·283 citations·filing 2000–2014
90Inventor score
Technology areasE21B
Files withOIL & GAS RENTAL SERVICES INC5IRONGATE RENTAL SERVICES LLC2ALLIS CHALMERS ENERGY INC1ALLIS CHALMERS RENTAL SERVICES LLC1ARCHER RENTAL SERVICES LLC1
Top patents by PatentIndex Score
10 records- 0192US6349764B1Drilling rig, pipe and support apparatusOIL & GAS RENTAL SERVICES INC·Filed 2000·Granted Feb 26, 2002·155 cites·39 claims
- 0276US8893800B2Apparatus for, and method of, landing items at a well locationIRONGATE RENTAL SERVICES LLC·Filed 2013·Granted Nov 25, 2014·4 cites·19 claims
- 0372US6644413B2Method of landing items at a well locationOIL & GAS RENTAL SERVICES INC·Filed 2002·Granted Nov 11, 2003·43 cites·77 claims
- 0470US7287598B2Apparatus for, and method of, landing items at a well locationALLIS CHALMERS ENERGY INC·Filed 2006·Granted Oct 30, 2007·10 cites·18 claims
- 0564US8381818B2Apparatus for, and method of, landing items at a well locationARCHER RENTAL SERVICES LLC·Filed 2011·Granted Feb 26, 2013·2 cites·18 claims
- 0664US6378614B1Method of landing items at a well locationOIL & GAS RENTAL SERVICES INC·Filed 2000·Granted Apr 30, 2002·31 cites·62 claims
- 0753US7025147B2Apparatus for, and method of, landing items at a well locationOIL & GAS RENTAL SERVICES INC·Filed 2003·Granted Apr 11, 2006·17 cites·23 claims
- 0853US6364012B1Drill pipe handling apparatusOIL & GAS RENTAL SERVICES INC·Filed 2000·Granted Apr 2, 2002·18 cites·42 claims
- 0952US9341035B2Apparatus for, and method of, landing items at a well locationIRONGATE RENTAL SERVICES LLC·Filed 2014·Granted May 17, 2016·0 cites·19 claims
- 1052US7886827B2Apparatus for, and method of, landing items at a well locationALLIS CHALMERS RENTAL SERVICES LLC·Filed 2007·Granted Feb 15, 2011·3 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →