Inventor · disambiguated record
David S. Calkins
Also filed as: CALKINS DAVID S
7 granted patents·144 citations·filing 1998–2018
86Inventor score
Top patents by PatentIndex Score
7 records- 0184US6347449B1Modular portable rivet setting toolEMHART INC·Filed 1998·Granted Feb 19, 2002·57 cites·5 claims
- 0269US6079604ARivet tool escapement mechanismEMHART INC·Filed 1998·Granted Jun 27, 2000·31 cites·1 claims
- 0365US6125680ARivet tool adjustable rivet delivery deviceEMHART INC·Filed 1998·Granted Oct 3, 2000·25 cites·16 claims
- 0460USD423896SRivet setting toolEMHART INC·Filed 1998·Granted May 2, 2000·11 cites·1 claims
- 0558USD886968SPortable heated water systemRHEEM MFG CO·Filed 2018·Granted Jun 9, 2020·7 cites·1 claims
- 0655USD429687SPower supply and rivet supply console for a rivet setting toolEMHART INC·Filed 1998·Granted Aug 22, 2000·9 cites·1 claims
- 0748US7024742B2Rivet tool with remote intensifier auto fill/recharge systemNEWFREY LLC·Filed 2003·Granted Apr 11, 2006·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →