Inventor · disambiguated record
David L. Coursen
Also filed as: COURSEN DAVID L · COURSEN DAVID LINN
13 granted patents·409 citations·filing 1974–1993
94Inventor score
Top patents by PatentIndex Score
13 records- 0192US4126005AInorganic cement grouting system for use in anchoring a bolt in a hole and compartmented package for use therewithDU PONT·Filed 1977·Granted Nov 21, 1978·58 cites·14 claims
- 0287US5099763AMethod of blastingETI EXPLOSIVE TECHNOLOGIES INT·Filed 1991·Granted Mar 31, 1992·74 cites·26 claims
- 0384US4220205AMethod of producing self-propping fluid-conductive fractures in rockDU PONT·Filed 1978·Granted Sep 2, 1980·57 cites·10 claims
- 0483US5388521AMethod of reducing ground vibration from delay blastingCOURSEN FAMILY TRUST·Filed 1993·Granted Feb 14, 1995·56 cites·18 claims
- 0576US5071496ALow level blasting compositionETI EXPLOSIVE TECHNOLOGIES INT·Filed 1990·Granted Dec 10, 1991·38 cites·35 claims
- 0675US4510958AApparatus and method for transferring a Bingham solid through a long conduitDU PONT·Filed 1984·Granted Apr 16, 1985·44 cites·35 claims
- 0762US3973497ADirected-thrust blasting processDU PONT·Filed 1974·Granted Aug 10, 1976·15 cites·17 claims
- 0855US4462429AApparatus and method for transferring a Bingham solid through a long conduitDU PONT·Filed 1982·Granted Jul 31, 1984·22 cites·7 claims
- 0947US4239286AIn situ leaching of ore bodiesDU PONT·Filed 1975·Granted Dec 16, 1980·13 cites·23 claims
- 1044US4431349AIce-filled structure and tunnelling method for the egress and launching of deep-based missilesDU PONT·Filed 1982·Granted Feb 14, 1984·8 cites·28 claims
- 1144US3986430ALoading of boreholes with explosivesDU PONT·Filed 1975·Granted Oct 19, 1976·11 cites·24 claims
- 1239US3999803AIn situ leaching of explosively fractured ore bodiesCOURSEN DAVID LINN·Filed 1974·Granted Dec 28, 1976·7 cites·8 claims
- 1336US4586438ABorehole stemming with a column of liquefiable and/or vaporizable chunks of solid materialDU PONT·Filed 1984·Granted May 6, 1986·6 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →