| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 4 | |
| #4 | Brazil | 3 | |
| #5 | EPO (European Patent Office) | 3 | |
| #6 | Australia | 2 | |
| #7 | China | 2 | |
| #8 | Mexico | 2 | |
| #9 | Norway | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Church Kris L | 17 |
| #2 | Partridge Charles C | 3 |
| #3 | Soderberg Paul B | 3 |
| #4 | Lloyd Sam S | 1 |
| #5 | Lloyd Sam Sun | 1 |
| #6 | Reaves Michael R | 1 |
| #7 | Soderberg Legal Representative | 1 |
| #8 | Paul Soderberg (Falecido) | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2010141701A1 | Hemi-wedge verifiable shutoff valve | |
| US2009229829A1 | Hydraulic Bi-Directional Rotary Isolation Valve | |
| US2008179558A1 | Self-adjusting seat for rotary valve | |
| US2008099076A1 | Rotatable wedge cartridge valve mechanism and method for assembly and disassembly | |
| US2008093575A1 | Rotatable wedge valve mechanism and method for manufacture | |
| BRPI0609353A2 | Valve, method for repairing a valve without removing the valve from a tube, and, cartridge for a valve |