James D. Heckelman — 7 Patents at Austin Star Detonator

James D. Heckelman has been granted 7 US patents while listed as an inventor at Austin Star Detonator. The first was granted in 1980 and the most recent in July 2019. James D. Heckelman ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list James D. Heckelman in Norwalk, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
10359264	Electronic detonator, electronic ignition module (EIM) and firing circuit for enhanced blasting safety	Gimtong Teowee	2019-07-23
10006281	Calibration of molded piezoelectric longitudinal charge coefficient of a pressure sensor for blasting operation	Gimtong Teowee, Bryan E. Papillon, Chris Munroe	2018-06-26
6307920	Microprocessor controlled dispatcher activated response identification system with telephone and radio frequency interface	James D. Thomson, Larry S. Howe	2001-10-23
4455941	Detonating cord and continuity verification system	Richard E. Walker, Robert A. Ziemke	1984-06-26
4403143	Detonating cord and continuity verification system	Richard E. Walker, Robert A. Ziemke	1983-09-06
4318005	Digital anti-theft locking circuit	Robert A. Ziemke	1982-03-02
4188621	Alarm system	Robert A. Ziemke	1980-02-12