| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 | |
| #2 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Optics | |
| #5 | Surface technology and coating | |
| #6 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring volume | |
| #3 | Separation | |
| #4 | Mixing | |
| #5 | Climate change mitigation in wastewater treatment | |
| #6 | Paper-making machines | |
| #7 | Electrolytic coating production | |
| #8 | Textile treatments | |
| #9 | Optical systems | |
| #10 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Irwin Malcolm F | 7 |
| #2 | Martig Jr Kenneth W | 5 |
| #3 | Rutkowski M | 3 |
| #4 | Mcclure Charles Laird | 3 |
| #5 | Roth Ernest Robert | 3 |
| #6 | Thompson R | 2 |
| #7 | Blechman R | 2 |
| #8 | Mcclure Charles L | 2 |
| #9 | Thompson Richard R | 2 |
| #10 | Irwin M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4176550A | Depth/flow monitoring instrumentation | |
| US4145926A | Flow monitoring | |
| US4125020A | Flow monitoring | |
| US4127032A | Flow monitoring | |
| US4081998A | Flow stilling device | |
| US4034607A | Flow monitoring | |
| US4058011A | Flow monitoring apparatus | |
| US4007638A | Liquid sampling | |
| US3986402A | Liquid sampling | |
| US4023417A | Liquid sampling | |
| US3949613A | Liquid sampling | |
| US3949612A | Liquid sampling | |
| US3926804A | Fluid filtration and sampling | |
| US3890843A | Liquid sampling | |
| US3862575A | Liquid sampling | |
| US3869921A | Liquid sampling | |
| US3863506A | Liquid sampling | |
| US3788145A | Liquid sampling | |
| US3840123A | Fluid filtration and sampling | |
| US3727464A | Liquid sampling |