| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Surface technology and coating | |
| #4 | Chemical engineering | |
| #5 | Packaging and shipping | |
| #6 | Thermal processes | |
| #7 | Medical technology | |
| #8 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Steam generation | |
| #4 | Transferring liquids | |
| #5 | Mixing | |
| #6 | Coating metallic material | |
| #7 | Syringes | |
| #8 | Measuring volume | |
| #9 | Unspecified technologies | |
| #10 | Dentistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolf Seth B | 13 |
| #2 | Albrecht Charles W | 13 |
| #3 | Porter George K | 12 |
| #4 | Porter Gary K | 2 |
| #5 | Porter George | 1 |
| #6 | Porter Jr George K | 1 |
| #7 | Brown Robert N | 1 |
| #8 | Brown Glenn E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6694809B2 | Flow controller | |
| US6305375B1 | Control valve actuated by low-pressure and low-flow-rate control fluid | |
| US5837904A | Flowmeter tubes and method of installing them | |
| US5018519A | Mask for administering an anesthetic gas to a patient | |
| US4493339A | Air valve for a breathing system |