Inventor
STEWART DONALD
GB18 patents
⚠️ This page may combine multiple inventors who share the name “STEWART DONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROTECH GROUP LTD
5 patentsUS12163309B2Dec 10, 2024
Underwater excavation apparatus
ROTECH GROUP LTD0 citations60
US12110653B2Oct 8, 2024
Underwater excavation apparatus
ROTECH GROUP LTD0 citations60
US11821164B2Nov 21, 2023
Underwater excavation apparatus
ROTECH GROUP LTD0 citations60
US11649607B2May 16, 2023
Underwater excavation apparatus
ROTECH GROUP LTD0 citations60
US12390867B2Aug 19, 2025
Cutting tool
ROTECH GROUP LTD0 citations50
ROTECH HOLDINGS LTD
3 patentsACCUMULATEURS FIXES
3 patentsUS5578397ANov 26, 1996
Electrode plate for an electrochemical cell and having a metal foam type support, and a method of manufacturing such an electrode plate
ACCUMULATEURS FIXES20 citations92
US5741612AApr 21, 1998
Electrode plate for an electrochemical cell and having a metal foam type support, and a method of manufacturing such an electrode plate
ACCUMULATEURS FIXES11 citations73
US5518840AMay 21, 1996
Electrode plate for an electrochemical cell and having a metal foam type support, and a method of obtaining such an electrode
ACCUMULATEURS FIXES16 citations71