| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 1 | |
| #3 | Belgium | 1 | |
| #4 | Switzerland | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Ireland | 1 | |
| #8 | Israel | 1 | |
| #9 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Pumps | |
| #3 | Pipes | |
| #4 | Shaping of plastics | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies | |
| #7 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Humphrey F | 3 |
| #2 | Humphrey Frederick Harold | 1 |
| #3 | Krawagna Alois Albin | 1 |
| #4 | Krawagna A | 1 |
| #5 | Davidson Thomas Noel | 1 |
| #6 | Davidson T | 1 |
| #7 | Frederick Harold Humphrey | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BE779879A | MANUALLY ACTUATED DIAPHRAGM PUMP | |
| AU3928972A | Improvements in diaphragm pomps | |
| US3729021A | High-pressure pump and check-valve | |
| US3726442A | Trigger pump and breather valve dispensing assembly | |
| GB1261162A | Improvements in or relating to containers and methods of making them | |
| US3575949A | Method for in-mold tube formation | |
| IE33128L | Elastomeric check-valve |