Inventor · disambiguated record
Donald Stewart
Also filed as: STEWART DONALD · STEWART DONALD G · STEWART DONALD GEORGE
10 granted patents·2 pending applications·36 citations·filing 1982–2024
84Inventor score
Top patents by PatentIndex Score
12 records- 0179US11821164B2Underwater excavation apparatusROTECH GROUP LTD·Filed 2022·Granted Nov 21, 2023·0 cites·18 claims
- 0278US12110653B2Underwater excavation apparatusROTECH GROUP LTD·Filed 2022·Granted Oct 8, 2024·0 cites·22 claims
- 0376US2024424582A1Cutting toolROTECH GROUP LTD·Filed 2024·Application pending·0 cites
- 0468US8430339B2Adjustable sprinkler head riserSTEWART DONALD GEORGE·Filed 2007·Granted Apr 30, 2013·9 cites·27 claims
- 0558US2025101710A1Improvements In and Relating To Underwater Excavation ApparatusROTECH GROUP LTD·Filed 2023·Application pending·0 cites
- 0656US12390867B2Cutting toolROTECH GROUP LTD·Filed 2018·Granted Aug 19, 2025·0 cites·21 claims
- 0755US8246082B2Adjustable sprinkler head riser with cushioning regionSTEWART DONALD GEORGE·Filed 2008·Granted Aug 21, 2012·2 cites·20 claims
- 0852US11649607B2Underwater excavation apparatusROTECH GROUP LTD·Filed 2017·Granted May 16, 2023·0 cites·20 claims
- 0951US6269774B1Receptacle adapted to receive a plant and provide a sheltered habitat for a living creatureFiled 1999·Granted Aug 7, 2001·16 cites·27 claims
- 1048US12163309B2Underwater excavation apparatusROTECH GROUP LTD·Filed 2019·Granted Dec 10, 2024·0 cites·25 claims
- 1146US8800176B2Underwater excavation apparatusSTEWART KENNETH RODERICK·Filed 2010·Granted Aug 12, 2014·1 cites·83 claims
- 1244US4485761AApparatus for treating work piecesBRENT CHEMICALS INT·Filed 1982·Granted Dec 4, 1984·8 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →