Inventor · disambiguated record
Melvin P. Kejr
Also filed as: KEJR MELVIN · KEJR MELVIN P
11 granted patents·272 citations·filing 1983–2009
91Inventor score
Top patents by PatentIndex Score
11 records- 0196US4487004ACombine harvester apparatusKEJR MELVIN P·Filed 1983·Granted Dec 11, 1984·138 cites·16 claims
- 0268US5186263ASoil sample probeKEJR ENGINEERING INC·Filed 1990·Granted Feb 16, 1993·49 cites·17 claims
- 0355US5606139ASoil 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
- 0439US5588771AConnector for coupling a pair of rodsKEJR ENGINEERING INC·Filed 1995·Granted Dec 31, 1996·19 cites·8 claims
- 0538US8056640B2Hydraulic head clamp assembly for mobile drill rigKEJR RYAN J·Filed 2009·Granted Nov 15, 2011·2 cites·14 claims
- 0636US5635653AGround water sampling deviceKEJR ENGINEERING INC·Filed 1995·Granted Jun 3, 1997·13 cites·2 claims
- 0734US4714273AVehicle for transporting elongated objectsKEJR MELVIN P·Filed 1986·Granted Dec 22, 1987·8 cites·5 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
- 1125USD397345SProbe rod threadKEJR ENG INC·Filed 1996·Granted Aug 25, 1998·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →