Inventor · disambiguated record
Hal Richardson
Also filed as: RICHARDSON HAL
3 granted patents·1 pending application·35 citations·filing 2002–2008
72Inventor score
Top patents by PatentIndex Score
4 records- 0181US7754075B2Backflow prevention for high pressure gradient systemsWATERS TECHNOLOGIES CORP·Filed 2008·Granted Jul 13, 2010·6 cites·4 claims
- 0281US6780315B2Backflow prevention for high pressure gradient systemsWATERS INVESTMENTS LTD·Filed 2002·Granted Aug 24, 2004·18 cites·10 claims
- 0375US7396469B2Backflow prevention for high pressure gradient systemsWATERS INVESTMENTS LTD·Filed 2004·Granted Jul 8, 2008·11 cites·7 claims
- 0438US2004140152A1Convertible harness, and methods of use and manufactureFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →