| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements | |
| #3 | Medical technology | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Heat-exchange device details | |
| #3 | Unspecified technologies | |
| #4 | Implantable devices | |
| #5 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Epstein Norman | 10 |
| #2 | Zelicof M D Steven B | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO9619163A1 | Reduced friction prosthetic knee joint utilizing replaceable roller bearings | |
| CA1314040C | Plug for heat exchanger tubes | |
| GB8810761D0 | Plug for heat exchanger tubes | |
| US4653540A | Plug for heat exchanger tubes | |
| US4688405A | Concealed post lock | |
| US4111014A | Combination lock |