| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Pumps | |
| #3 | Non-positive-displacement pumps | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hufgard John W | 10 |
| #2 | Muck Jack E | 6 |
| #3 | Renfro Wesley E | 2 |
| #4 | Scholl Charles T | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US6371733B1 | Pump with hydraulic load sensor and controller | |
| US6089471A | Fluid spray gun | |
| US5984646A | Hydraulic motor for use with airless paint sprayer system | |
| USRE34608E | Paint spray gun | |
| US4993642A | Paint spray gun | |
| EP0395790A2 | Rotating head assembly | |
| US4915303A | Paint spray gun | |
| US4948053A | Paint spray nozzle | |
| US4869641A | Compressor | |
| US4905905A | Paint spray nozzle | |
| CA1209673A | Compressor | |
| CA1244319A | Supply/shut-off valve | |
| US4531675A | Spray nozzle | |
| US4773832A | Pump | |
| US4565488A | Compressor | |
| US4530469A | Supply/shut-off valve |