| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 55 | |
| #2 | Canada | 11 | |
| #3 | United Kingdom | 4 | |
| #4 | France | 2 | |
| #5 | Germany | 1 | |
| #6 | Ireland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Vehicle tyre repairing | |
| #5 | Shaping of plastics | |
| #6 | Cutting | |
| #7 | Certain plastics | |
| #8 | Tools for connecting or disengaging | |
| #9 | Pipes | |
| #10 | Fillers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gora Henry Z | 18 |
| #2 | Henry Gora | 8 |
| #3 | Farnham Yardley | 7 |
| #4 | Watson Frank H | 5 |
| #5 | Yardley Farnham | 4 |
| #6 | Liepelt Donald W | 3 |
| #7 | Conners John A | 3 |
| #8 | Fitz Edward J | 3 |
| #9 | Baulieu William H | 3 |
| #10 | Mccoy William C | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CA1107172A | Swing check valve | |
| US3727883A | Butterfly valve | |
| US3692276A | Butterfly valve | |
| US3353785A | Split sleeve plug valve having bonded polymeric material layer | |
| US3183587A | Assembly method | |
| US3149413A | Assembly tool | |
| US3055391A | Valve | |
| US2611575A | Quick-acting gate valve | |
| GB557306A | Rotary hydraulic pumps and motors | |
| US2324571A | Valve operating mechanism | |
| US2365263A | Rotary hydraulic pressure device | |
| US2311748A | Tire valve | |
| US2311983A | Jar cap | |
| US2319501A | Testing equipment | |
| US2256773A | Cutting mechanism | |
| US2330881A | Valve | |
| US2311336A | Hydraulic valve mechanism | |
| US2299068A | Tire valve | |
| US2240096A | Valve stem of the capless type | |
| US2269367A | Rubber valve stem for pneumatic tires |