Inventor · disambiguated record
John F. Hehl, Sr.
Also filed as: HEHL JOHN F SR · HEHL SR JOHN F
2 granted patents·2 pending applications·5 citations·filing 2006–2010
51Inventor score
Technology areasF16D
Top patents by PatentIndex Score
4 records- 0164US8371423B2Braking or clutching deviceAMERICAN PREC IND INC·Filed 2010·Granted Feb 12, 2013·3 cites·10 claims
- 0253US7717241B2Braking or clutching deviceAMERICAN PREC IND INC·Filed 2007·Granted May 18, 2010·2 cites·17 claims
- 0331US2007251775A1Selective engagement apparatus and methodHEHL JOHN F SR·Filed 2006·Application pending·0 cites
- 0431US2007251797A1Wrap spring torque transfer device and method for improving service life of such deviceHEHL JOHN F SR·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →