Inventor · disambiguated record
Steffan Thomas
Also filed as: THOMAS JR STEFFAN · THOMAS STEFFAN JR · THOMAS STEFFAN PRYS · Thomas STEFFAN
7 granted patents·2 pending applications·22 citations·filing 2004–2020
81Inventor score
Top patents by PatentIndex Score
9 records- 0186US8197706B2Refrigerant with lubricating oil for replacement of R22 refrigerantPONDER KENNETH M·Filed 2010·Granted Jun 12, 2012·4 cites·23 claims
- 0282US10703949B2Refrigerant with lubricating oil for replacement of R22 refrigerantR421A LLC·Filed 2018·Granted Jul 7, 2020·1 cites·20 claims
- 0376US9982179B2Refrigerant with lubricating oil for replacement of R22 refrigerantPONDER KENNETH M·Filed 2012·Granted May 29, 2018·1 cites·37 claims
- 0472US7332102B2Refrigerant with lubricating oilSTEFKO PROPERTIES LLC·Filed 2005·Granted Feb 19, 2008·3 cites·14 claims
- 0568US11345840B2Refrigerant with lubricating oil for replacement of R22 refrigerantR421A LLC·Filed 2020·Granted May 31, 2022·0 cites·12 claims
- 0666US7938366B2Opening and secure-closing system for doorsAIRBUS OPERATIONS SL·Filed 2006·Granted May 10, 2011·4 cites·16 claims
- 0761US7909286B2Support system for auxiliary power unitAIRBUS OPERATIONS SL·Filed 2006·Granted Mar 22, 2011·9 cites·12 claims
- 0845US2005082510A1Refrigerant with lubricating oil for replacement of R22 refrigerantFiled 2004·Application pending·0 cites
- 0941US2005133756A1Refrigerant with lubricating oilFiled 2004·Application pending·0 cites
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