DS

Donald Stewart

RL Rotech Group Limited: 6 patents #2 of 9Top 25%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
BP Brent Chemicals International Plc.: 1 patents #1 of 14Top 8%
📍 Aberdeen, CO: #1 of 1 inventorsTop 100%
Overall (All Time): #485,331 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12390867 Cutting tool 2025-08-19
12163309 Underwater excavation apparatus 2024-12-10
12110653 Underwater excavation apparatus Kenneth Roderick Stewart 2024-10-08
11821164 Underwater excavation apparatus Kenneth Roderick Stewart 2023-11-21
11649607 Underwater excavation apparatus Kenneth Roderick Stewart 2023-05-16
8800176 Underwater excavation apparatus Kenneth Roderick Stewart 2014-08-12
8430339 Adjustable sprinkler head riser Geordie Wayne Vandekerckhove 2013-04-30
8246082 Adjustable sprinkler head riser with cushioning region Geordie Wayne Vandekerckhove 2012-08-21
6269774 Receptacle adapted to receive a plant and provide a sheltered habitat for a living creature 2001-08-07
4485761 Apparatus for treating work pieces 1984-12-04