David J Jarvis
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 66 Total Citation Count
- Dec 23, 1998 Most Recent Filing
- Dec 4, 1992 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| AMSTED INDUSTRIES INCORPORATED | 1
1 | 1992
1998 |
| AMSTED RAIL COMPANY, INC. | 1
| 1992
|
Inventor Addresses
| Address | Duration |
|---|---|
| Chicago, IL | May 17, 94 - Aug 14, 01 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| B61G: | COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES | 1 |
| F16H: | GEARING | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6272949 | 2001 | Air operated fifth wheel uncoupling apparatus | 8 |
| 5312007 | 1994 | Slackless railway coupler with draft/buff gear | 43 |
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