| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | France | 5 | |
| #3 | Canada | 4 | |
| #4 | Italy | 4 | |
| #5 | Australia | 3 | |
| #6 | Switzerland | 3 | |
| #7 | United States | 3 | |
| #8 | Spain | 2 | |
| #9 | Israel | 2 | |
| #10 | Netherlands | 2 | |
| #11 | Norway | 2 | |
| #12 | Sweden | 2 | |
| #13 | Brazil | 1 | |
| #14 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Printing processes | |
| #2 | Shaping of plastics | |
| #3 | Printing machines | |
| #4 | Pistons and sealings | |
| #5 | Certain plastics | |
| #6 | Printing plates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Farrow Harold Frederick | 14 |
| #2 | Rackstraw Bernard Booth | 9 |
| #3 | Chudley William Henry | 5 |
| #4 | Farrow Harold F | 4 |
| #5 | Rackstraw Bernard B | 3 |
| #6 | Farrow H F | 3 |
| #7 | Rackstraw B B | 2 |
| #8 | Farrow H | 1 |
| #9 | Chudley W | 1 |
| #10 | Chudley William H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4116124A | Two-sided simultaneous printing method | |
| US3960078A | Printing processes |