| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | Belgium | 2 | |
| #5 | Germany | 2 | |
| #6 | France | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Italy | 2 | |
| #9 | Netherlands | 2 | |
| #10 | Argentina | 1 | |
| #11 | Brazil | 1 | |
| #12 | Spain | 1 | |
| #13 | India | 1 | |
| #14 | Japan | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Foods and drinks | |
| #4 | Mechanical elements | |
| #5 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Preparation of materials | |
| #3 | Shaping of plastics | |
| #4 | Fillers | |
| #5 | Macromolecular compounds derivatives | |
| #6 | Food proteins | |
| #7 | Unspecified technologies | |
| #8 | Servomotors | |
| #9 | Venting or aerating devices | |
| #10 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hertel D L | 3 |
| #2 | Williams Maurice A | 2 |
| #3 | Lee R | 2 |
| #4 | Bronikowski John C | 2 |
| #5 | Lee R W | 2 |
| #6 | Hertel D | 2 |
| #7 | Horn Robert E | 2 |
| #8 | Lee Robert Wen | 1 |
| #9 | Jacob Keith | 1 |
| #10 | Dagurasu Reo Haateru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4161685A | Solid state proximity switch | |
| CA1119165A | Process for hydrolyzing proteinaceous derivatives of the skin | |
| US4071725A | Proximity switch for fluid cylinders | |
| US4046165A | Valve-positioning apparatus |