| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 56 | |
| #2 | United Kingdom | 13 | |
| #3 | France | 7 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Materials and metallurgy | |
| #5 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmidt Albert | 34 |
| #2 | Albert Schmidt | 9 |
| #3 | Mcdougal Taine G | 7 |
| #4 | Champion Albert J | 4 |
| #5 | Mcdowell Samuel J | 2 |
| #6 | Champion Albert | 2 |
| #7 | Vessey Ralph B | 2 |
| #8 | Albert Champion | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1438188A | Synthetic-jewel bearing | |
| US1416727A | Burning ceramic wares | |
| US1416726A | Burning ceramic wares and apparatus therefor | |
| GB166520A | Improvements in self-cleaning spark plugs | |
| GB160154A | Improvements in spark plugs | |
| GB168024A | Improvements in spark plug electrode | |
| GB161556A | Spark plugs | |
| GB156087A | Two-piece spark plug | |
| GB154549A | Spark plugs | |
| GB154201A | Spark plugs | |
| US1434133A | Spark-plug insulator | |
| GB148852A | Spark plugs | |
| GB148777A | Spark plug | |
| GB148851A | Spark plugs | |
| GB146908A | Insulating material and body composed thereof | |
| GB146910A | Spark plugs | |
| GB146909A | Spark plugs | |
| US1422216A | Synthetic jewel bearing | |
| US1386883A | Spark-plug | |
| US1391810A | Electric terminal |