| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Brazil | 2 | |
| #5 | Germany | 2 | |
| #6 | Republic of Korea | 2 | |
| #7 | Argentina | 1 | |
| #8 | Australia | 1 | |
| #9 | Spain | 1 | |
| #10 | Italy | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Compounding processes | |
| #5 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Howard Timothy L | 8 |
| #2 | Smith Richard C | 7 |
| #3 | Kautz Franz A | 6 |
| #4 | Smith Lawther O | 5 |
| #5 | Langanke Rolf | 2 |
| #6 | Sentinger Egon | 2 |
| #7 | Molders Werner | 2 |
| #8 | Reuschenbach Hermann | 2 |
| #9 | Smith Lawther | 1 |
| #10 | Reichert Gerhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8730158D0 | Gas springs | |
| GB8721065D0 | Bypass gas spring | |
| US4613115A | Temperature compensated gas spring | |
| CA1238846A | Support column unit | |
| US4596383A | Gas spring with secondary lock | |
| CA1205498A | Temperature compensated gas spring | |
| US4513953A | Gas spring with extension force controlled as a function of temperature | |
| CA1202039A | Gas spring with pressure loss safety | |
| CA1206823A | Gas spring with extension force controlled as a function of temperature |