| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 38 | |
| #2 | Canada | 22 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Machine tools | |
| #6 | Engines, pumps and turbines | |
| #7 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Halladay Lewis P | 60 |
| Publication | Filing date | Title |
|---|---|---|
| US1652436A | Polishing machine | |
| US1552149A | Automobile spring suspension | |
| US1539114A | Automobile bumper | |
| US1552148A | Automobile spring suspension | |
| US1556931A | Vehicle suspension | |
| US1469591A | Bumper | |
| US1469592A | Bumper | |
| US1539113A | Direct-suspension shock absorber | |
| US1442144A | Spring bumper | |
| US1441498A | Hook bolt | |
| US1395045A | Double bumper-bar | |
| US1408193A | Bumper bar | |
| US1385679A | Bumper-bracket | |
| US1474964A | Shock absorber | |
| US1377340A | Bumper-bar | |
| US1364878A | Attachment for bumper-supports | |
| US1344799A | Automobile-bumper support | |
| US1362620A | Truss-spring bumper-bar | |
| US1316029A | Shock-absorber for road-vehicles. | |
| US1277343A | Adjustable support for automobile-bumpers. |