| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Brazil | 2 | |
| #5 | Canada | 2 | |
| #6 | China | 2 | |
| #7 | Mexico | 2 | |
| #8 | Republic of Korea | 1 | |
| #9 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lah Ruben F | 17 |
| #2 | Larsen Gary | 10 |
| #3 | Krause Kenneth | 8 |
| #4 | Ruben F Lah | 4 |
| #5 | Voorhees Paul Brent | 3 |
| #6 | Gary Larsen | 2 |
| #7 | Kenneth Krause | 2 |
| #8 | Jiminiez Fil | 1 |
| #9 | Jimenez Filiberto R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020148955A1 | Systems and methods for valve sealing | |
| US2019032793A1 | Black-powder-resistant through conduit valve | |
| US2018238470A1 | Fluid catalytic cracking unit valve | |
| US2017362510A1 | Retractable center feed injection device | |
| EP2411714A2 | Non-rising electric actuated valve operator |