Dan Johnson
23Patents
5h-index
19Co-inventors
66Inventor score
Filing activity: Nov 8, 1995 → Jan 9, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6438301B1 | Low-torque electro-optical laminated cable and cablewrap | Physics | 101 | Expired |
| US5673057A | Three axis beam waveguide antenna | Electricity | 23 | Expired |
| US8807051B2 | Portable cushion tray | Performing Operations; Transporting | 10 | Active |
| US9642457B1 | Adjustable frame for hanging folders | Human Necessities | 8 | Active |
| US9701329B2 | Cart pusher, mateable carts, and related systems, methods, and devices | Performing Operations; Transporting | 6 | Active |
| US9775753B2 | Methods, systems, and devices relating to multifunctional aircraft aisle wheelchair | Human Necessities | 5 | Active |
| US7859380B2 | Bobbin assembly | Emerging Cross-Sectional Technologies | 4 | Active |
| US9913772B2 | Multifunctional aircraft aisle wheelchair and related systems and methods | Human Necessities | 4 | Active |
| US10106184B2 | Cart pusher, mateable carts, and related systems, methods, and devices | Performing Operations; Transporting | 3 | Active |
| US9295348B2 | Portable cushion tray | Performing Operations; Transporting | 3 | Active |
| US10023043B2 | Adaptable hub motor and related systems and methods | Electricity | 3 | Active |
| US10555855B2 | Multifunctional aircraft aisle wheelchair and related systems and methods | Human Necessities | 2 | Active |
| US8607905B2 | Apparatus for moving wheeled loads | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10011291B2 | Cart pusher, mateable carts, and related systems, methods, and devices | Performing Operations; Transporting | 2 | Active |
| US6957020B2 | Optical inter-satellite link (OISL) gimbal | Electricity | 2 | Expired |
| US6211641A | Capacitive resolver | Physics | 2 | Expired |
| US6172470A | Large aperture precision gimbal drive module | Electricity | 1 | Expired |
| US9038545B2 | Portable cushion tray | Performing Operations; Transporting | 1 | Active |
| US10647342B2 | Cart pusher, mateable carts, and related systems, methods, and devices | Performing Operations; Transporting | 1 | Active |
| US10745174B2 | Stackable, collapsible pallets for transporting wheeled devices and related systems and methods | Performing Operations; Transporting | 0 | Active |
| US11591196B2 | Manual pallet jack hitch and related systems and methods | Performing Operations; Transporting | 0 | Active |
| US9994065B2 | Adjustable frame for hanging folders | Human Necessities | 0 | Active |
| US10828214B2 | Stand-up unit with hip flex for wheelchairs and other devices | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.