| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Canada | 1 | |
| #3 | China | 1 | |
| #4 | Czechoslovakia | 1 | |
| #5 | German Democratic Republic | 1 | |
| #6 | Denmark | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Hungary | 1 | |
| #10 | Norway | 1 | |
| #11 | Poland | 1 | |
| #12 | United States | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Measurement | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Certain plastics | |
| #2 | Unspecified technologies | |
| #3 | Analysing materials | |
| #4 | Shaping of plastics | |
| #5 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bircumshaw Peter | 9 |
| #2 | Bircumshan Peter | 1 |
| #3 | Peter Bircumshaw | 1 |
| #4 | Bircumshaw Peter Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8806851B | Cutting and the like tools | |
| EP0308155A2 | Cutting and the like tools | |
| GB8727825D0 | Cutting &c tools |