| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | EPO (European Patent Office) | 4 | |
| #4 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Springs | |
| #2 | Unspecified technologies | |
| #3 | Vehicle suspension arrangements | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Nails | |
| #6 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heideman Robert J | 23 |
| #2 | Mitera Richard T | 13 |
| #3 | Heideman Robert | 4 |
| #4 | Dressell Jr Richard G | 2 |
| #5 | Legawiec Ronald F | 2 |
| #6 | Van Parys Virgil J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7156215B2 | Quick change shock absorber | |
| US6609597B1 | Dampening apparatus | |
| US5407052A | Snubber assembly | |
| US5159997A | Miniature shock absorber | |
| US5147017A | Shock absorber | |
| US5050712A | Shock absorber | |
| US4771866A | Shock absorber with proximity switch | |
| US4810849A | Weld gun control | |
| US4825031A | Weld gun control | |
| EP0373152A2 | Shock absorber with stop collar | |
| US4690255A | Compact shock absorber | |
| US4702355A | Shock absorber with hole-on-groove configuration and with adjusting device | |
| US4694939A | Shock absorber with stop collar | |
| US4321987A | Shock absorber | |
| US4298101A | Shock absorber |