| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 48 | |
| #2 | Canada | 3 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Textiles and paper | |
| #5 | Medical technology | |
| #6 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Unspecified technologies | |
| #3 | Clutches and brakes | |
| #4 | Gearing | |
| #5 | Special textiles | |
| #6 | Knitting | |
| #7 | Electrotherapy | |
| #8 | Pumps | |
| #9 | Rotary pistons | |
| #10 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson James P | 54 |
| #2 | Johnson Virgie M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2003245486A1 | Compression garment with electro-stimulation | |
| US3957299A | Weeding tool | |
| US2703675A | Rotary pump | |
| US2648289A | Rotary pump | |
| US2684038A | Piston pump | |
| US2639694A | Gear motor or pump | |
| US2574921A | Rotary pump | |
| US2537349A | Rotary pump | |
| US2639672A | Controlled pressurizing of pumps | |
| US2470987A | Rotary pump stator | |
| US2492869A | Oscillating abutment rotary pump | |
| US2622534A | Gear pump | |
| US2452470A | Distributing device | |
| US2465878A | Alternating piston pump | |
| US2452469A | Seal | |
| US2492868A | Reciprocating vane rotary pump | |
| US2475391A | Rotary movable abutment pump | |
| US2452468A | Reciprocating abutment fluid pump | |
| US2501947A | Hydraulic pump | |
| US2356322A | Coupling |