| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Japan | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | Germany | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yeary Arthur R | 10 |
| #2 | Baumann Hans D | 5 |
| #3 | Kielar Aaron | 4 |
| #4 | Bardelli Matt | 4 |
| #5 | Zmick Adam | 3 |
| #6 | Arthur R Yeary | 2 |
| #7 | Adam Zmick | 1 |
| #8 | Bauman Hans D | 1 |
| #9 | Baumann Hans | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2009222606A1 | Butterfly valve flow control device | |
| US2011073789A1 | Butterfly Valve Flow Control Device | |
| US2008105845A1 | Ball valve with flow-through feature | |
| US2007063163A1 | Butterfly valve assembly with improved flow characteristics |