| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 30 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Machine tools | |
| #5 | Chemical engineering | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gas-flow silencers for machines | |
| #2 | Lifting and pushing | |
| #3 | Unspecified technologies | |
| #4 | Punching metal | |
| #5 | Separation | |
| #6 | Tools for connecting or disengaging | |
| #7 | Soldering, welding and flame cutting | |
| #8 | Lubricating | |
| #9 | Unspecified technologies | |
| #10 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Powers Walter H | 9 |
| #2 | Arnes Lyle L | 4 |
| #3 | Trautman Walter C | 4 |
| #4 | Jacokes Benton D | 4 |
| #5 | Haumerson Fred C | 3 |
| #6 | Moss Chester C | 3 |
| #7 | Manke Raymond F | 3 |
| #8 | Mizer Joseph J | 3 |
| #9 | Gunnar Jensen | 2 |
| #10 | Ward Melvin G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3178056A | Lubricating system | |
| US3064336A | Method of making mufflers | |
| US2888743A | Tool | |
| US2907121A | Filter demonstrator | |
| US2834427A | Muffler having a cover and a retaining strip therefor | |
| US2891580A | Tail pipe spout | |
| US2739661A | Muffler | |
| US2600262A | Spark arrester mechanism | |
| US2778597A | Base structure | |
| US2736284A | Muffler shell forming machine | |
| US2761525A | Muffler | |
| US2624546A | Lift mechanism | |
| US2564267A | Safety mechanism | |
| US2584431A | Expansible wall receptacle | |
| US2469048A | Lifting mechanism | |
| US2427733A | Oil filter | |
| US2564289A | Lift mechanism | |
| US2433537A | Lifting mechanism | |
| US2516322A | Machine for seaming tubular members | |
| US2476380A | Lifting mechanism |