Inventor · disambiguated record
Douglas J. Hallett
Also filed as: HALLETT DOUGLAS J · HALLETT DOUGLAS JOHN · HALLETT DOUGLAS JOHN FREDERICK
5 granted patents·1 pending application·154 citations·filing 1987–2020
83Inventor score
Files withELI ECO LOGIC INC2HALLETT DOUGLAS JOHN FREDERICK1NATURAL ENERGY SYSTEMS INC1ONTARIO INC 6559011UV PURE TECHNOLOGIES INC1
Top patents by PatentIndex Score
6 records- 0187US6773608B1Ultraviolet treatment for aqueous liquidsUV PURE TECHNOLOGIES INC·Filed 2000·Granted Aug 10, 2004·82 cites·112 claims
- 0270US8343241B2Process for the conversion of organic material to methane rich fuel gasNATURAL ENERGY SYSTEMS INC·Filed 2010·Granted Jan 1, 2013·3 cites·44 claims
- 0357US4819571AProcess for the destruction of organic waste materialELI ECO LOGIC INC·Filed 1987·Granted Apr 11, 1989·25 cites·45 claims
- 0456US5704557AMethod and apparatus for treatment of organic waste materialELI ECO LOGIC INC·Filed 1995·Granted Jan 6, 1998·15 cites·48 claims
- 0552US5050511AProcess for the destruction of organic waste materialONTARIO INC 655901·Filed 1990·Granted Sep 24, 1991·29 cites·67 claims
- 0641US2022259041A1Process for reducing an organic material to produce methane and/or hydrogenHALLETT DOUGLAS JOHN FREDERICK·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →