David Pearce
12Patents
5h-index
7Co-inventors
59Inventor score
Filing activity: Aug 25, 1972 → Oct 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3939221A | Xylenes separation process | Chemistry; Metallurgy | 20 | Expired |
| US4000271A | Deodorized organothiophosphorus compounds with reduced toxicity | Chemistry; Metallurgy | 12 | Expired |
| US4852811A | Comminution of material | Performing Operations; Transporting | 10 | Expired |
| US5238193A | Dry grinding | Chemistry; Metallurgy | 10 | Expired |
| US9982312B2 | Microbial assay | Chemistry; Metallurgy | 6 | Active |
| US6364224B1 | Drying suspensions of materials | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US10502744B2 | 1,1 ′-[[(Substituted alkyl)imino]bis(alkylene)]bis-ferrocenes and their use in I electrochemical assays by labelling substrates of interest | Chemistry; Metallurgy | 3 | Active |
| US4366103A | Deodorized organothiophosphorous and emulsifiable concentrates thereof | Chemistry; Metallurgy | 1 | Expired |
| US10613095B2 | 1,1′-[[(substituted alkyl)imino]bis(alkylene)]bis-ferrocenes and their use in I electrochemical assays by labelling substrates of interest | Chemistry; Metallurgy | 1 | Active |
| US11808768B2 | 1,1 ′-[[(substituted alkyl)imino]bis (alkylene)]bis- ferrocenes and their use in I electrochemical assays by labelling substrates of interest | Chemistry; Metallurgy | 0 | Active |
| US10837967B2 | 1,1 ′-[[(substituted alkyl)imino]bis(alkylene)]bis- ferrocenes and their use in I electrochemical assays by labelling substrates of interest | Chemistry; Metallurgy | 0 | Active |
| US12111320B2 | 1,1′-[(substituted alkyl)imino]bis(alkylene)]bis-ferrocenes and their use in electrochemical assays by labelling substrates of interest | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.