John D. Hanson
16Patents
10h-index
14Co-inventors
69Inventor score
Filing activity: Jan 31, 1983 → Feb 13, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5383437A | Integrity confirmation of evaporative emission control system against leakage | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US6664460B1 | System for customizing musical effects using digital signal processing techniques | Physics | 33 | Expired |
| US5183023A | Evaporative emission control system for supercharged internal combustion engine | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US7373210B2 | Effects and recording system | Physics | 26 | Expired |
| US6817544B2 | Device preventing rotation of a power drill attachment | Performing Operations; Transporting | 22 | Expired |
| US7026539B2 | Musical effect customization system | Physics | 20 | Expired |
| USD410465S | Musical instrument amplifier | General | 15 | Expired |
| US4499916A | Vacuum check valve | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5641142A | Ladder tray | Fixed Constructions | 14 | Expired |
| US8957297B2 | Programmable musical instrument pedalboard | Physics | 10 | Active |
| US5692069A | Apparatus for performing character segmentation using slant histograms | Physics | 7 | Expired |
| US9524707B2 | Programmable musical instrument pedalboard | Physics | 6 | Active |
| US10100543B2 | Detachment device and material detachment process | Emerging Cross-Sectional Technologies | 3 | Active |
| USD602471S1 | Lock for audio component controls | General | 3 | Expired |
| US8483404B2 | System including device for securing the states of electronic controls | Physics | 2 | Active |
| US5305979A | Assembly convertible between house ID display sign and support shelf | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.