Inventor · disambiguated record
Robert J. Lejeune
Also filed as: LEJEUNE ROBERT · LEJEUNE ROBERT J
8 granted patents·3 pending applications·93 citations·filing 1991–2025
86Inventor score
Top patents by PatentIndex Score
11 records- 0183US8757268B2Self centering downhole float valve for vertical and lateral wellsLEJEUNE ROBERT J·Filed 2011·Granted Jun 24, 2014·11 cites·12 claims
- 0272US7188688B1Down-hole tool filter and method for protecting such tools from fluid entrained debrisLEJEUNE ROBERT J·Filed 2004·Granted Mar 13, 2007·42 cites·15 claims
- 0369US2025264003A1Float Valve Apparatus Having Metal-to-Metal Seals and Method for Using SameB L SALES & MAN INC·Filed 2025·Application pending·0 cites
- 0467USD1062998SThreaded float valve adapterLEJEUNE ROBERT J·Filed 2023·Granted Feb 18, 2025·3 cites·1 claims
- 0566US12291940B2Float valve apparatus having metal-to-metal seals and method for using sameB L SALES & MAN INC·Filed 2024·Granted May 6, 2025·0 cites·11 claims
- 0665USD580009SOil and gas tubular joint filterLEJEUNE ROBERT J·Filed 2008·Granted Nov 4, 2008·15 cites·1 claims
- 0762US7980330B1Well tubular, retrievable joint strainer and methodLEJEUNE ROBERT J·Filed 2008·Granted Jul 19, 2011·8 cites·9 claims
- 0834US2003235877A1Conjugates of haptens to beta-lactam derivatives and their use for detecting and/or quantifying haptens in solution and device for implementation thereofWALLONE REGION·Filed 2002·Application pending·0 cites
- 0930US6436649B1Method for detecting and/or quantifying a hapten in a homogeneous phase and device for implementation thereofLE REGION WALLONE·Filed 1997·Granted Aug 20, 2002·12 cites·11 claims
- 1029USD341214SSawhorse legBL MFG INC·Filed 1991·Granted Nov 9, 1993·2 cites·1 claims
- 1129US2004157262A1Conjugates of haptens to beta-lactam derivatives and their use for detecting and/or quantifying haptens in solution and device for implementation thereofFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →