| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 36 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Organic fine chemistry | |
| #3 | Packaging and shipping | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Lubricating compositions | |
| #2 | Special lubricating compositions | |
| #3 | Fuels | |
| #4 | Acyclic or carbocyclic compounds | |
| #5 | Refining | |
| #6 | Handling thin material | |
| #7 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prutton Carl F | 25 |
| #2 | Frey Delton R | 7 |
| #3 | Graves Eldon F | 4 |
| #4 | Knutson Amos T | 4 |
| #5 | Smith Albert K | 4 |
| #6 | Johnson Harry E | 2 |
| #7 | Asseff Peter A | 2 |
| #8 | Marette Ralph T | 1 |
| #9 | Frey Delton Rueben | 1 |
| #10 | Bass Shailer L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2422243A | Lubricating composition | |
| GB665091A | An improved lubricating composition | |
| US2387999A | Lubrication | |
| US2298640A | Lubricating composition | |
| US2261047A | Lubricant | |
| US2365291A | Stabilizing agents for hydrocarbon compositions and the like | |
| US2417087A | Lubricant | |
| US2330239A | Lubricant | |
| US2320228A | Lubricant | |
| US2223130A | Lubricant | |
| US2223129A | Lubricant | |
| US2319630A | Deodorized sulphur-bearing composition | |
| US2396223A | Lubricating compositions | |
| US2296433A | Corrosion inhibitor | |
| US2298637A | Lubricating composition | |
| US2298638A | Lubricating composition | |
| US2298639A | Lubricating composition | |
| US2298636A | Lubricating composition | |
| US2290872A | Stabilized liquid hydrocarbon | |
| US2281695A | Gum and carbon removal |