| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Germany | 2 | |
| #5 | France | 2 | |
| #6 | Austria | 1 | |
| #7 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Vehicle suspension arrangements | |
| #2 | Cycle accessories | |
| #3 | Springs | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Joel Co Alfred | 6 |
| #2 | Josef Hofmann | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB191036A | Spring suspension system for vehicles with an auxiliary pneumatic suspension system introduced into the main spring system | |
| GB169167A | Improvements in or relating to shock absorbers for vehicles | |
| US1520347A | Shock absorber | |
| US1541500A | Shock absorber | |
| US1444248A | Shock absorber | |
| GB142826A | Improvements in or relating to spring carried saddles for bicycles or the like |