| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Machines | |
| #2 | Animal care | |
| #3 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stewart Robert M | 4 |
| #2 | Stewart Carlene M | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB0110014D0 | Colour change warning handle apparatus | |
| GB0015833D0 | Anti flood plug | |
| GB9930289D0 | Automatic bleed valve | |
| GB9922278D0 | Illuminated spirit level | |
| GB9706029D0 | Automatic trailer plate display | |
| GB9625582D0 | Overflow preventer | |
| GB9625551D0 | Overflow preventer | |
| GB9413224D0 | Overflow preventer | |
| GB9400005D0 | Mechanical plug/stopper | |
| US5022310A | Fluid power transmission | |
| US4860689A | Pet lounge | |
| US4337960A | Trolleys |