| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Brazil | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Argentina | 1 | |
| #6 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richardson Donald G | 10 |
| #2 | Shirley David A | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US5954167A | Flow sensitive acceleration sensitive shock absorber with added flow control | |
| WO9814718A1 | ACCELERATION SENSITIVE FLOW SENSITIVE McPHERSON STRUT | |
| US5598903A | Acceleration sensitive flow sensitive mcpherson strut | |
| US5823305A | Flow sensitive, acceleration sensitive shock absorber |