Inventor · disambiguated record
Douglas C. Burns
Also filed as: BURNS DOUGLAS · BURNS DOUGLAS C
12 granted patents·48 citations·filing 1990–2023
89Inventor score
Top patents by PatentIndex Score
12 records- 0191US8793960B1Method and support apparatus for supporting down hole rotary toolsBURNS DOUGLAS C·Filed 2010·Granted Aug 5, 2014·17 cites·5 claims
- 0287US10633931B1Support apparatus for supporting down hole rotary toolsSWIVEL RENTAL & SUPPLY L L C·Filed 2019·Granted Apr 28, 2020·3 cites·20 claims
- 0385US9938778B2Support apparatus for supporting down hole rotary toolsSWIVEL RENTAL & SUPPLY L L C·Filed 2017·Granted Apr 10, 2018·3 cites·20 claims
- 0484US9217297B2Method and support apparatus for supporting down hole rotary toolsBURNS DOUGLAS C·Filed 2013·Granted Dec 22, 2015·11 cites·12 claims
- 0579US10815735B1Swivel stand apparatus and associated equipmentSWIVEL RENTAL & SUPPLY L L C·Filed 2018·Granted Oct 27, 2020·2 cites·20 claims
- 0679US9650841B2Support apparatus for supporting down hole rotary toolsSWIVEL RENTAL & SUPPLY L L C·Filed 2014·Granted May 16, 2017·4 cites·28 claims
- 0768US11867000B1Swivel stand apparatus and associated equipmentSWIVEL RENTAL & SUPPLY L L C·Filed 2022·Granted Jan 9, 2024·0 cites·19 claims
- 0866US11661800B1Support apparatus for supporting down hole rotary toolsSWIVEL RENTAL & SUPPLY L L C·Filed 2020·Granted May 30, 2023·0 cites·23 claims
- 0965US11248420B1Swivel stand apparatus and associated equipmentSWIVEL RENTAL & SUPPLY L L C·Filed 2020·Granted Feb 15, 2022·0 cites·20 claims
- 1059US10301884B2Support apparatus for supporting down hole rotary toolsSWIVEL RENTAL & SUPPLY L L C·Filed 2018·Granted May 28, 2019·0 cites·20 claims
- 1154US12385332B1Rotating gin poleSWIVEL RENTAL & SUPPLY L L C·Filed 2023·Granted Aug 12, 2025·0 cites·8 claims
- 1239US5016832AMethod and apparatus for winding an amorphous magnetic toroidal transformer coreKUHLMAN CORP·Filed 1990·Granted May 21, 1991·8 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →