Robert H. Springer
17Patents
10h-index
20Co-inventors
72Inventor score
Filing activity: May 22, 1975 → Jun 7, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5288976A | Bar code use in information, transactional and other system and service applications | Physics | 275 | Expired |
| US6222025A | Process for the synthesis of 2'-O-substituted pyrimidines and oligomeric compounds therefrom | Emerging Cross-Sectional Technologies | 80 | Expired |
| US5426900A | Multi-purpose hexagonal building module | Fixed Constructions | 42 | Expired |
| US5760202A | Process for the synthesis of 2'-O-substituted pyrimidines | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4021556A | Xanthine oxidase inhibitors | Human Necessities | 26 | Expired |
| US4968916A | Xenon-metal halide lamp particularly suited for automotive applications having an improved electrode structure | Electricity | 23 | Expired |
| US4036840A | 2-Substituted-s-triazolo[1,5a]pyrimidines | Chemistry; Metallurgy | 22 | Expired |
| US4926267A | Reproduction of halftone original with reduced moire | Electricity | 19 | Expired |
| US5459243A | Apparatus and processes for the large scale generation and transfer of diazomethane | Chemistry; Metallurgy | 15 | Expired |
| US4387319A | Metal halide lamp containing ScI.sub.3 with added cadmium or zinc | Electricity | 13 | Expired |
| US5861493A | Process for the synthesis of 2'-O-substituted pyrimidines | Emerging Cross-Sectional Technologies | 10 | Expired |
| US10359019B1 | Block heater control assembly | Mechanical Engineering; Lighting; Heating | 3 | Active |
| USD278466S | Bird feeder | General | 2 | Expired |
| US6642367B2 | Process for the synthesis of 2′-O-substituted pyrimidines and oligomeric compounds therefrom | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9297790B2 | Switching valve for liquid chromatography | Physics | 1 | Active |
| US11578690B1 | Engine heating control assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9778278B2 | Sample-taking unit | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.