Inventor · disambiguated record
Steven J. Sprotberry
Also filed as: SPROTBERRY STEVEN J
18 granted patents·1 pending application·362 citations·filing 1997–2020
95Inventor score
Top patents by PatentIndex Score
19 records- 0197US7694399B2Sheet fastening apparatus and methodBTM CORP·Filed 2005·Granted Apr 13, 2010·35 cites·39 claims
- 0296US6059277ARetracting power clampBTM CORP·Filed 1998·Granted May 9, 2000·79 cites·38 claims
- 0386US7003861B2Tool assembly employing a flexible retainerBTM CORP·Filed 2004·Granted Feb 28, 2006·17 cites·22 claims
- 0485US5853211AUniversal gripperBTM CORP·Filed 1997·Granted Dec 29, 1998·79 cites·33 claims
- 0582US7194859B1IntensifierBTM CORP·Filed 2005·Granted Mar 27, 2007·10 cites·31 claims
- 0681US8881364B2Pierce nut insertion toolSAWDON EDWIN G·Filed 2011·Granted Nov 11, 2014·6 cites·26 claims
- 0781USD557128SButton shape for clinch jointBTM CORP·Filed 2005·Granted Dec 11, 2007·27 cites·1 claims
- 0879US6785959B2Tool assembly employing a flexible retainerBTM CORP·Filed 2002·Granted Sep 7, 2004·11 cites·37 claims
- 0978US5938259APad for universal gripperBTM CORP·Filed 1997·Granted Aug 17, 1999·50 cites·18 claims
- 1075US7263831B2Air-to-oil intensifying cylinderBTM CORP·Filed 2004·Granted Sep 4, 2007·14 cites·18 claims
- 1174US9931720B2Method of using a pierce nut insertion toolBTM CORP·Filed 2014·Granted Apr 3, 2018·3 cites·22 claims
- 1273US10328481B2Clinching punch and apparatusBTM CORP·Filed 2014·Granted Jun 25, 2019·3 cites·16 claims
- 1369US7685925B2Intensifying cylinderBTM CORP·Filed 2007·Granted Mar 30, 2010·5 cites·23 claims
- 1468US9421599B2Clinch clampSAWDON STEPHEN E·Filed 2011·Granted Aug 23, 2016·4 cites·43 claims
- 1566US6430795B1Composite urethane stripper for metal joining apparatusBTM CORP·Filed 2000·Granted Aug 13, 2002·11 cites·20 claims
- 1657US6757951B2Composite urethane stripper for metal joining apparatusBTM CORP·Filed 2002·Granted Jul 6, 2004·6 cites·13 claims
- 1751US11446726B2Metal fastening die assemblyBTM COMPANY LLC·Filed 2020·Granted Sep 20, 2022·0 cites·35 claims
- 1845US6996984B2Air-to-oil intensifying cylinderBTM CORP·Filed 2004·Granted Feb 14, 2006·2 cites·29 claims
- 1939US2005252269A1Toggle pressSAWDON EDWIN G·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →