Inventor · disambiguated record
Frank A. Walton
Also filed as: WALTON FRANK · WALTON FRANK A
20 granted patents·1 pending application·410 citations·filing 1984–2010
95Inventor score
Files withDOSMATIC USA INC12FRANK AND ROBYN WALTON 1990 FA3WALTON FRANK A3DOSMATIC U S A INC1FRANK & ROBYN WALTON 1990 FAMI1
Top patents by PatentIndex Score
21 records- 0190US4558715AApparatus for injecting measured quantities of liquid into a fluid streamKOWATACHI INT LTD·Filed 1984·Granted Dec 17, 1985·114 cites·19 claims
- 0286US7438537B2Liquid additive injection pump with mixing chamber and one way valveDOSMATIC USA INC·Filed 2005·Granted Oct 21, 2008·11 cites·11 claims
- 0380US7000782B2Backwash flushing filterDOSMATIC USA INC·Filed 2003·Granted Feb 21, 2006·25 cites·26 claims
- 0479USD525685SOne way valve gasketDOSMATIC USA INC·Filed 2005·Granted Jul 25, 2006·25 cites·1 claims
- 0579US4809731ALiquid injection apparatus having an external adjustorWALTON FRANK A·Filed 1987·Granted Mar 7, 1989·43 cites·5 claims
- 0676USD644713SFilterWALTON FRANK A·Filed 2010·Granted Sep 6, 2011·23 cites·1 claims
- 0776US5513963ADirect action fluid motor and injection pumpFRANK AND ROBYN WALTON 1990 FA·Filed 1994·Granted May 7, 1996·38 cites·51 claims
- 0876US5137435ACompression spring fluid motorFRANK AND ROBYN WALTON 1990 FA·Filed 1991·Granted Aug 11, 1992·33 cites·33 claims
- 0975US7032760B2Backwash flushing filterDOSMATIC USA INC·Filed 2004·Granted Apr 25, 2006·18 cites·3 claims
- 1075US6910405B2On/off switch for liquid additive injection pumpDOSMATIC USA INC·Filed 2003·Granted Jun 28, 2005·19 cites·6 claims
- 1166US6431198B2Pumping system for the injection of measured quantities of fluid into a fluid streamDOSMATIC USA INC·Filed 2001·Granted Aug 13, 2002·11 cites·9 claims
- 1256US6254366B1Replaceable seal having a friction fitDOSMATIC USA INC·Filed 2000·Granted Jul 3, 2001·7 cites·29 claims
- 1352US6357466B1Pumping system for the injection of measured quantities of fluid into a fluid streamDOSMATIC USA INC·Filed 1999·Granted Mar 19, 2002·13 cites·1 claims
- 1447US2010051716A1Automated switch for liquid additive injection pumpWALTON FRANK A·Filed 2008·Application pending·0 cites
- 1544US7131454B2Piston sealing mechanism for liquid additive injection pumpDOSMATIC U S A INC·Filed 2003·Granted Nov 7, 2006·5 cites·11 claims
- 1642US5243897AMagnetically actuated fluid motorFRANK & ROBYN WALTON 1990 FAMI·Filed 1992·Granted Sep 14, 1993·12 cites·38 claims
- 1737US5184943ARolling diaphragm injection pumpFRANK AND ROBYN WALTON 1990 FA·Filed 1991·Granted Feb 9, 1993·8 cites·29 claims
- 1834USD603435SDosage piston retention clipDOSMATIC USA INC·Filed 2008·Granted Nov 3, 2009·2 cites·1 claims
- 1934USD573620SSelf sealing piston ringDOSMATIC USA INC·Filed 2007·Granted Jul 22, 2008·2 cites·1 claims
- 2032USD603427SOn-off plungerDOSMATIC USA INC·Filed 2008·Granted Nov 3, 2009·1 cites·1 claims
- 2129USD602512SPiston assemblyDOSMATIC USA INC·Filed 2008·Granted Oct 20, 2009·0 cites·1 claims
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