David A. Johnson
62Patents
13h-index
39Co-inventors
84Inventor score
Filing activity: Nov 29, 1974 → Sep 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8732808B2 | Data plan activation and modification | Electricity | 156 | Active |
| US10871756B2 | Temperature control system and methods for operating same | Physics | 155 | Active |
| US11156978B2 | Intelligent ventilation control for optimizing HVAC operations | Physics | 154 | Active |
| US10908578B2 | Temperature control system and methods for operating same | Physics | 153 | Active |
| US10921768B2 | Temperature control system and methods for operating same | Physics | 153 | Active |
| US9447985B2 | HVAC control system and methods for operating same | Emerging Cross-Sectional Technologies | 153 | Active |
| US7039015B1 | System and method for the collection and display of network performance data in a communication network | Electricity | 115 | Expired |
| US3956740A | Portable data entry apparatus | Physics | 67 | Expired |
| US6655322B1 | Boiler water blowdown control system | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4390039A | Valve assembly and disassembly device | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7659923B1 | Elimination of blink-related closed eyes in portrait photography | Physics | 20 | Active |
| US4388945A | Valve assembly and disassembly device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6419782B1 | Bar code overlabeling system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8337012B2 | Curved lenses configured to decode three-dimensional content on television and computer screens | Physics | 12 | Active |
| US4983813A | Submersible aquarium heater with adjustable electronic thermostatic control | Human Necessities | 12 | Expired |
| US3970797A | Digital conference bridge | Electricity | 11 | Expired |
| US8971209B2 | System to configure and manage routers through wireless communication | Electricity | 11 | Active |
| US7411700B2 | Printing system calibration | Electricity | 10 | Expired |
| US7854506B1 | Curved lenses configured to decode three-dimensional content on television and computer screens | Physics | 10 | Active |
| US7158863B1 | Programmable controller for condition air curtains | Human Necessities | 10 | Expired |
| US4206744A | Air control assembly for heat circulating fireplace | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US9294353B2 | Configuring a wireless router | Electricity | 9 | Active |
| US7946703B2 | Curved lenses configured to decode three-dimensional content | Emerging Cross-Sectional Technologies | 9 | Active |
| US9521277B1 | Method to associate mobile device with printer | Physics | 8 | Active |
| US7950798B2 | Curved lenses configured to decode three-dimensional content | Electricity | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.