John Robb
57Patents
7h-index
21Co-inventors
72Inventor score
Filing activity: Mar 27, 1978 → Mar 17, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5509960A | Composite pigmentary material | Chemistry; Metallurgy | 39 | Expired |
| US5554215A | Composite pigmentary material | Chemistry; Metallurgy | 23 | Expired |
| US5431956A | Coated inorganic particles | Chemistry; Metallurgy | 21 | Expired |
| US4201033A | Disc mowers | Human Necessities | 12 | Expired |
| US9034445B2 | Solar reflectance | Emerging Cross-Sectional Technologies | 8 | Active |
| US5147629A | Process for production of nuclei for use in titanium dioxide manufacture | Chemistry; Metallurgy | 7 | Expired |
| US4172353A | Harvesting machine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9127172B2 | Titanium dioxide | Chemistry; Metallurgy | 3 | Active |
| USPP15571P2 | Lavender plant named ‘Barcelona Purple’ | General | 2 | Expired |
| US4644739A | Agricultural baler | Human Necessities | 2 | Expired |
| USPP15769P2 | Lavender plant named ‘Barcelona White’ | General | 1 | Expired |
| USPP24652P2 | Scabiosa plant named ‘SGIBL01-0’ | General | 1 | Active |
| USPP20484P2 | Vinca minor plant named ‘Parvin’ | General | 0 | Active |
| USPP16861P2 | Lavender plant named ‘Belpur’ | General | 0 | Expired |
| USPP15481P2 | Lavender plant named ‘Barcelona Rose’ | General | 0 | Expired |
| USPP16701P2 | Lavender plant named ‘Ninwhi’ | General | 0 | Expired |
| USPP22242P2 | Lysimachia plant named ‘Midnight Sun’ | General | 0 | Active |
| US10717066B2 | Titania particles and a process for their production | Chemistry; Metallurgy | 0 | Active |
| US9221995B2 | Titanium dioxide | Emerging Cross-Sectional Technologies | 0 | Active |
| USPP16702P2 | Lavender plant named ‘Cocdap’ | General | 0 | Expired |
| USPP17476P2 | Photinia plant named ‘Parbri’ | General | 0 | Expired |
| USPP16700P2 | Lavender plant named ‘Belrou’ | General | 0 | Expired |
| USPP31151P2 | Gardenia plant named ‘PARWHI’ | General | 0 | Active |
| US9169399B2 | Method of characterising a scattering coloured pigment | Physics | 0 | Active |
| USPP16698P2 | Lavender plant named ‘Coccap’ | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.