David C. Johnson
36Patents
15h-index
37Co-inventors
81Inventor score
Filing activity: Jun 23, 1976 → Dec 14, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5662693A | Mobility assist for the paralyzed, amputeed and spastic person | Human Necessities | 189 | Expired |
| US6302535A | Ink container configured to establish reliable electrical connection with a receiving station | Performing Operations; Transporting | 95 | Expired |
| US4510556A | Electronic lighting apparatus for simulating a flame | Emerging Cross-Sectional Technologies | 75 | Expired |
| US6488369B1 | Ink container configured to establish reliable electrical and fluidic connections to a receiving station | Performing Operations; Transporting | 63 | Expired |
| US6375315B1 | Replaceable ink container for an inkjet printing system | Performing Operations; Transporting | 55 | Expired |
| US6365247B1 | Zero oxygen permeation plastic bottle for beer and other applications | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5720051A | Inflatable multiple cell helmet liner to enhance fit, security and comfort | Human Necessities | 27 | Expired |
| US4598741A | Barrier vapor control system | Performing Operations; Transporting | 26 | Expired |
| US6431697B1 | Replaceable ink container having a separately attachable latch and method for assembling the container | Performing Operations; Transporting | 26 | Expired |
| US8984790B2 | Adjustable cheek rest | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US7000558B2 | Modular floating swim platforms | Performing Operations; Transporting | 20 | Expired |
| US6805066B2 | Modular floating swim platform | Performing Operations; Transporting | 19 | Expired |
| US6406766B1 | Active oxygen scavenger packaging | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6131532A | Inflatable sailboat | Performing Operations; Transporting | 17 | Expired |
| USD260095S | Slush dispenser | General | 16 | Expired |
| US4102645A | Sterilization apparatus | Chemistry; Metallurgy | 15 | Expired |
| US6729714B2 | Separable key for establishing detachable printer component compatibility with a printer | Performing Operations; Transporting | 13 | Expired |
| US6755516B2 | Latch and handle arrangement for a replaceable ink container | Performing Operations; Transporting | 12 | Expired |
| US6460985B1 | Ink reservoir for an inkjet printer | Performing Operations; Transporting | 10 | Expired |
| US6508547B2 | Replaceable ink container for an inkjet printing system | Performing Operations; Transporting | 10 | Expired |
| US6019459A | Dual capillarity ink accumulator for ink-jet | Performing Operations; Transporting | 9 | Expired |
| US6293665A | Dual capillarity ink accumulator for ink-jet | Performing Operations; Transporting | 9 | Expired |
| USD611557S1 | Water sport device | General | 7 | Expired |
| US4116630A | Sterilization method | Chemistry; Metallurgy | 5 | Expired |
| US6779874B2 | Device for ensuring proper toe-heel installation of a detachable printer component | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.