Inventor · disambiguated record
Marvin E. Beasley
Also filed as: BEASLEY MARVIN E
8 granted patents·174 citations·filing 1990–2012
88Inventor score
Top patents by PatentIndex Score
8 records- 0184US8646752B2Ball valve having multiple moveable seatsBEASLEY MARVIN E·Filed 2011·Granted Feb 11, 2014·9 cites·33 claims
- 0283US5313976ATop entry ball valve and method of assemblyKEYSTONE INT·Filed 1993·Granted May 24, 1994·49 cites·10 claims
- 0377US8201574B2Bi-directional sealing ball valveBEASLEY MARVIN E·Filed 2009·Granted Jun 19, 2012·9 cites·21 claims
- 0476US6240946B1Switch valveTYCO FLOW CONTROL INC·Filed 1998·Granted Jun 5, 2001·39 cites·19 claims
- 0576US5269347AFluid pressure isolator apparatusKEYSTONE INT·Filed 1992·Granted Dec 14, 1993·37 cites·7 claims
- 0666US8720855B2Ball valve having multiple moveable seatsBEASLEY MARVIN E·Filed 2012·Granted May 13, 2014·2 cites·23 claims
- 0764US5097635AMethod and apparatus for automatic ball to seat lappingKEYSTONE VALVTRON INC·Filed 1990·Granted Mar 24, 1992·26 cites·25 claims
- 0830US5139229ABall valve and method of assemblyKEYSTONE INT·Filed 1991·Granted Aug 18, 1992·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →