Assignee
KEJR ENGINEERING INC
US·10 granted patents·224 citations·filing 1990–1997
Top patents by PatentIndex Score
10 records- 0180US6029355ADevice for cutting soil sampling tubingKEJR ENGINEERING INC·Filed 1997·Granted Feb 29, 2000·34 cites·6 claims
- 0274US5639956APermeable membrane soil probeKEJR ENGINEERING INC·Filed 1995·Granted Jun 17, 1997·46 cites·17 claims
- 0368US5186263ASoil sample probeKEJR ENGINEERING INC·Filed 1990·Granted Feb 16, 1993·49 cites·17 claims
- 0455US5606139ASoil sample probe with retaining ring for holding core-catching structure within the probeKEJR ENGINEERING INC·Filed 1995·Granted Feb 25, 1997·21 cites·18 claims
- 0542US5542481ADrive point locking method and apparatusKEJR ENGINEERING INC·Filed 1995·Granted Aug 6, 1996·23 cites·25 claims
- 0639US5588771AConnector for coupling a pair of rodsKEJR ENGINEERING INC·Filed 1995·Granted Dec 31, 1996·19 cites·8 claims
- 0736US5635653AGround water sampling deviceKEJR ENGINEERING INC·Filed 1995·Granted Jun 3, 1997·13 cites·2 claims
- 0832US5503031AGround water sampling deviceKEJR ENGINEERING INC·Filed 1995·Granted Apr 2, 1996·10 cites·7 claims
- 0929US5553979APull cap for attachment to a probe rodKEJR ENGINEERING INC·Filed 1995·Granted Sep 10, 1996·6 cites·12 claims
- 1028US5612498AGround water sampling deviceKEJR ENGINEERING INC·Filed 1996·Granted Mar 18, 1997·3 cites·4 claims
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