| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Control | |
| #3 | Macromolecular chemistry and polymers | |
| #4 | Measurement | |
| #5 | Basic materials chemistry | |
| #6 | Chemical engineering | |
| #7 | Machine tools | |
| #8 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Goldkamp Otto B | 7 |
| #2 | Watson William V | 2 |
| #3 | Wolfe Volk | 1 |
| #4 | Vandyke Watson William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2145047A | Fluid cleaner | |
| US2205774A | Valve | |
| US2115259A | Combination pressure regulator and meter | |
| US1944425A | Balanced valve apparatus for fluid regulators | |
| US1917643A | Cleaner for fluids | |
| US1825031A | Fluid cleaner | |
| US1892883A | Fluid pressure controlling means | |
| US1679215A | Fluid regulator | |
| US1472951A | Plastic composition and method for making the same | |
| US1398613A | Plastic composition and method for making the same | |
| US1404501A | Composition and process for preserving wood and metals |