Inventor · disambiguated record
Viljo K. Valavaara
Also filed as: VALAVAARA VILJO · VALAVAARA VILJO K
11 granted patents·604 citations·filing 1982–1997
93Inventor score
Files withVALAVAARA VILJO K2COLIC MACHINE & TOOL LIMITED1FLUID JET INTERNATIONAL INC1HYDROENERGY CORP1INVENTORS COMPENDIUM INTERNATI1
Top patents by PatentIndex Score
11 records- 0196US4749347ATopology fabrication apparatusVALAVAARA VILJO·Filed 1986·Granted Jun 7, 1988·219 cites·9 claims
- 0294US5059101AFluid endVALAVAARA VILJO K·Filed 1989·Granted Oct 22, 1991·128 cites·8 claims
- 0384US5720251ARotary engine and method of operationFiled 1994·Granted Feb 24, 1998·56 cites·16 claims
- 0484US4495768AHydrostatic transmissionsINVENTORS COMPENDIUM INTERNATI·Filed 1982·Granted Jan 29, 1985·46 cites·6 claims
- 0578US5649424ATwo-stage pressure cylinderFiled 1994·Granted Jul 22, 1997·28 cites·10 claims
- 0676US4619166ADouble-bladed power hacksawCOLIC MACHINE & TOOL LIMITED·Filed 1985·Granted Oct 28, 1986·31 cites·15 claims
- 0774US5921745ALow head turbineHYDROENERGY CORP·Filed 1997·Granted Jul 13, 1999·41 cites·13 claims
- 0866US4932850ARotary drive having inner and outer interengaging rotorsVALAVAARA VILJO K·Filed 1989·Granted Jun 12, 1990·20 cites·6 claims
- 0950US5658138ARotary pump having inner and outer components having abutments and recessesFiled 1994·Granted Aug 19, 1997·14 cites·7 claims
- 1046US4734013ARotary pressure intensifierV TECH IND INC·Filed 1987·Granted Mar 29, 1988·13 cites·13 claims
- 1137US4924901AIn line valveFLUID JET INTERNATIONAL INC·Filed 1989·Granted May 15, 1990·8 cites·9 claims
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