| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Canada | 2 | |
| #3 | Spain | 2 | |
| #4 | Finland | 2 | |
| #5 | Japan | 2 | |
| #6 | Norway | 2 | |
| #7 | United States | 2 | |
| #8 | Belgium | 1 | |
| #9 | Germany | 1 | |
| #10 | Denmark | 1 | |
| #11 | EPO (European Patent Office) | 1 | |
| #12 | France | 1 | |
| #13 | Italy | 1 | |
| #14 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Packaging and shipping | |
| #5 | Thermal processes | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Perforating | |
| #4 | Finishing work on buildings | |
| #5 | Containers for goods storage | |
| #6 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blundell Kenneth | 8 |
| #2 | Lawrence Kenneth | 5 |
| #3 | Lupton Donald Brian | 3 |
| #4 | Lupton Donald B | 2 |
| #5 | Lupton D B | 1 |
| #6 | Lawrence K | 1 |
| #7 | Kenesu Roorensu | 1 |
| #8 | Donarudo Buraian Raputon | 1 |
| #9 | Kenesu Buranderu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB2029925A | Making tubes | |
| CA1118335A | Pipe insulation | |
| US4205105A | Pipe insulation | |
| GB1184874A | Insulating Jackets for Cold Water Storage Cisterns | |
| GB1192078A | Hot Water Cylinder Jackets | |
| GB1179580A | Improvements in or relating to Sealing Means for Chimneys |