John MacPherson
11Patents
7h-index
9Co-inventors
59Inventor score
Filing activity: Aug 8, 1978 → Apr 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4949194A | Ceramic support arm for movably positioning transducers | Physics | 43 | Expired |
| US7175424B2 | Indoor/outdoor patio heater fire sculpture | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US10874186B2 | Attachment for a hair dryer and a method of blow drying hair using such an attachment | Human Necessities | 21 | Active |
| US4225345A | Process for forming metal parts with less than 1 percent carbon content | Performing Operations; Transporting | 19 | Expired |
| USD835344S1 | Hair dryer attachment | General | 11 | Active |
| US5932165A | Ceramic spinnerets for the production of shaped or void containing fibers | Textiles; Paper | 7 | Expired |
| US5783754A | Apparatus and method for measuring the gripping strength of a vacuum wand | Physics | 7 | Expired |
| US7146975B1 | Gas fire log system with collapsing logs | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US11300257B2 | LED lighting fixture | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11686440B2 | LED lighting fixture | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11569542B2 | Battery assembly for a lighting fixture | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.