| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Spain | 3 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | United States | 2 | |
| #6 | Austria | 1 | |
| #7 | Belgium | 1 | |
| #8 | Switzerland | 1 | |
| #9 | Germany | 1 | |
| #10 | Israel | 1 | |
| #11 | Italy | 1 | |
| #12 | Sweden | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Packaging and shipping | |
| #3 | Surface technology and coating | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Fillers | |
| #3 | Producing goods from plastic | |
| #4 | Certain plastics | |
| #5 | Containers for goods storage | |
| #6 | Punching metal | |
| #7 | Layered products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ledewitz W | 5 |
| #2 | Twigg R | 4 |
| #3 | Twigg Robert W | 4 |
| #4 | Miller William P | 3 |
| #5 | Twigg R W | 1 |
| #6 | Ledewitz William | 1 |
| #7 | Robert Wayne Twigg | 1 |
| #8 | William Ledewitz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3959066A | Apparatus for manufacturing the body portion of a collapsible squeeze tube | |
| CA978073A | Apparatus for making flexible cylinders | |
| ZA7005813B | Flexible cylinder and method and apparatus for making same | |
| US3730393A | Flexible cylinder for collapsible squeeze tube |