| # | Country | Total Patents | |
|---|---|---|---|
| #1 | India | 3 | |
| #2 | United States | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | South Africa | 2 | |
| #6 | Argentina | 1 | |
| #7 | Canada | 1 | |
| #8 | China | 1 | |
| #9 | Israel | 1 | |
| #10 | New Zealand | 1 | |
| #11 | Singapore | 1 | |
| #12 | Taiwan | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Thermal processes | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Air-conditioning | |
| #3 | Chemical or physical laboratory devices | |
| #4 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leader William J | 11 |
| #2 | Smith Dennis K | 11 |
| #3 | Starr Jerry | 5 |
| #4 | Benson H | 1 |
| #5 | Dennis K Smith | 1 |
| #6 | William J Leader | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5865674A | Flush lighting system for cleanroom | |
| US5470363A | Air blower and filter assemblies | |
| US3724181A | Process for separating particles from aerosols |