| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 67 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Lubricating compositions | |
| #2 | Special lubricating compositions | |
| #3 | Fuels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prutton Carl F | 31 |
| #2 | Lincoln Bert H | 29 |
| #3 | Smith Albert K | 13 |
| #4 | Byrkit Gordon D | 12 |
| #5 | Steiner Waldo L | 11 |
| #6 | Wolfe John W | 5 |
| #7 | Alfred Henriksen | 5 |
| #8 | Johnson Harry E | 3 |
| #9 | Lincoin Bert H | 2 |
| #10 | Henriksen Ellen M | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2448037A | Lubricating compositions | |
| US2433853A | Sulfurized oils | |
| US2395457A | Lubricating composition | |
| US2417088A | Lubricating composition | |
| US2347217A | Lubricating composition | |
| US2318013A | Lubricating composition | |
| US2355106A | Lubricating composition | |
| US2364622A | Lubricating oils | |
| US2353169A | Lubricant | |
| US2353170A | Lubricant | |
| US2223128A | Lubricating composition | |
| US2353585A | Lubricating composition | |
| US2334566A | Lubricating oil | |
| US2310971A | Stabilized high film strength lubricating oil | |
| US2208162A | Lubricating composition | |
| US2208163A | Lubricating composition | |
| US2223766A | Lubricating oil | |
| US2233436A | Lubricant | |
| US2313248A | Sulphur containing lubricant | |
| US2330238A | Lubricating composition |