| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Separation | |
| #3 | Venting or aerating devices | |
| #4 | Analysing materials | |
| #5 | Compressed gas holders | |
| #6 | Pipes | |
| #7 | Chemical or physical processes | |
| #8 | Measuring volume | |
| #9 | Chemical or physical laboratory devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kulha Edward | 3 |
| #2 | Cato Michael W | 3 |
| #3 | Jeffries Jr Martin F | 2 |
| #4 | Chapman Jr William H | 2 |
| #5 | Cowan Cathy L | 2 |
| #6 | Jeffries Jun Martin F | 1 |
| #7 | Chapman Jun William H | 1 |
| #8 | Bassett Scott B | 1 |
| #9 | Lau Stephen Y | 1 |
| #10 | Edward | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5902551A | Process gas docking station with point-of-use filter for receiving removable purifier cartridges | |
| US5558688A | Block filter-purifier | |
| US5152313A | Safety apparatus for disconnects and/or valves | |
| US5139747A | Gas filter-purifier | |
| US4971110A | Face seal shut-off valve | |
| US4899585A | Liquid level detector and method for a vapor deposition container | |
| US4782226A | Optoelectronic chemical reaction detector |