Inventor · disambiguated record
Chenghua Han
Also filed as: HAN CHENGHUA · HAN CHENGHUA OLIVER
9 granted patents·1 pending application·77 citations·filing 2001–2023
86Inventor score
Top patents by PatentIndex Score
10 records- 0187US11492878B2Modular initiatorHUNTING TITAN INC·Filed 2018·Granted Nov 8, 2022·8 cites·28 claims
- 0287US7942098B2Loading tube for shaped chargesSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted May 17, 2011·18 cites·6 claims
- 0385US8685187B2Perforating devices utilizing thermite charges in well perforation and downhole fracingHAN CHENGHUA·Filed 2010·Granted Apr 1, 2014·24 cites·17 claims
- 0476US7409993B2Weight spacer apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Aug 12, 2008·18 cites·15 claims
- 0574US11859471B2Modular initiatorHUNTING TITAN INC·Filed 2023·Granted Jan 2, 2024·0 cites·20 claims
- 0672US11746624B2Modular initiatorHUNTING TITAN INC·Filed 2022·Granted Sep 5, 2023·0 cites·20 claims
- 0762US7673566B2Method for use in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Mar 9, 2010·6 cites·10 claims
- 0856US7481166B2Heat insulating container for a detonatorSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Jan 27, 2009·3 cites·22 claims
- 0945US11629585B2Integrated coaxial perforating acidizing operationHUNTING TITAN INC·Filed 2020·Granted Apr 18, 2023·0 cites·20 claims
- 1034US2003116049A1Pre-fragmented shaped chargeFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →