| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | United States | 2 | |
| #3 | Belgium | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | Japan | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Milling | |
| #3 | Grinding or polishing devices | |
| #4 | Turning | |
| #5 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brierley Zachry | 5 |
| #2 | Zakurii Buriiarei | 1 |
| #3 | Zachry Brierley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8504078B | Drill point grinding machine | |
| US4172400A | Shredder | |
| GB1193236A | Cutting Tool | |
| GB1064892A | A method of and a machine for grinding twist drill points | |
| GB980364A | Improvements in and relating to machine tools | |
| GB748359A | Improvements in or relating to drilling jigs | |
| GB635807A | Device for use in dividing a circle into any number of equal sectors |