| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Chemical or physical laboratory devices | |
| #3 | Unspecified technologies | |
| #4 | Pipes | |
| #5 | Heat-exchanger without contact | |
| #6 | Venting or aerating devices | |
| #7 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guild Lloyd V | 11 |
| #2 | Guild Daniel L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4915356A | Fluid valve | |
| US3956940A | Sampling of fluid | |
| US3870492A | Apparatus for collecting samples of contaminants | |
| US2865720A | Cartridge for absorbing co2 | |
| US2698778A | Pipette | |
| US2868316A | Apparatus for separating, identifying and measuring gases | |
| US2746845A | Carbon train | |
| US2684289A | Gas analysis pipettes | |
| US2613082A | Gas manifold and valve for analyzing gas mixtures | |
| US2616628A | Temperature controlled gas analysis apparatus | |
| US2631088A | Apparatus for making gas analyses |