Inventor · disambiguated record
Charles G. Purnell
Also filed as: PURNELL CHARLES G · PURNELL CHARLES GRANT
10 granted patents·191 citations·filing 1986–2014
90Inventor score
Files withBRICO ENG6ALUMINIUM POWDER CO LTD1BNF METALS TECH CENTRE1BRICO ENGINEERING COMPANY LIMI1PURNELL CHARLES GRANT1
Top patents by PatentIndex Score
10 records- 0182US5534220AMethod of sintering machinable ferrous-based materialsBRICO ENG·Filed 1994·Granted Jul 9, 1996·40 cites·21 claims
- 0278US5654106ASintered articlesBRICO ENG·Filed 1993·Granted Aug 5, 1997·49 cites·11 claims
- 0371US5188659ASintered materials and method thereofBRICO ENG·Filed 1990·Granted Feb 23, 1993·20 cites·13 claims
- 0467US5312475ASintered materialBRICO ENG·Filed 1991·Granted May 17, 1994·26 cites·24 claims
- 0564US10640851B2Aluminium alloy products having a pre-sintered density of at least 90% theoretical, and methods of making such alloy productsPURNELL CHARLES GRANT·Filed 2014·Granted May 5, 2020·2 cites·16 claims
- 0659US5784681AMethod of making a sintered articleBRICO ENG·Filed 1995·Granted Jul 21, 1998·23 cites·19 claims
- 0756US5062908AValve guideBRICO ENG·Filed 1990·Granted Nov 5, 1991·14 cites·11 claims
- 0844US5041168AValve guideBRICO ENGINEERING COMPANY LIMI·Filed 1990·Granted Aug 20, 1991·11 cites·9 claims
- 0931US5613184AAluminium alloysALUMINIUM POWDER CO LTD·Filed 1994·Granted Mar 18, 1997·5 cites·15 claims
- 1030US4731129ASuperplastic zinc/aluminum alloyBNF METALS TECH CENTRE·Filed 1986·Granted Mar 15, 1988·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →