Robert B. Simmons
14Patents
9h-index
17Co-inventors
69Inventor score
Filing activity: Nov 14, 1975 → Sep 1, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5089127A | Chemical feed apparatus | Performing Operations; Transporting | 52 | Expired |
| US4747978A | Calcium hypochlorite compositions | Chemistry; Metallurgy | 39 | Expired |
| US4959208A | Active agent delivery device | Chemistry; Metallurgy | 29 | Expired |
| US4297333A | Method of decomposing hypochlorite ion in a basic solution | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4170539A | Diaphragm having zirconium oxide and a hydrophilic fluorocarbon resin in a hydrophobic matrix | Chemistry; Metallurgy | 16 | Expired |
| US4170537A | Method of preparing a diaphragm having a gel of a hydrous oxide of zirconium in a porous matrix | Chemistry; Metallurgy | 13 | Expired |
| US5049385A | Solid halogen-containing composition and method for producing same | Human Necessities | 12 | Expired |
| US4253935A | Method of preparing a diaphragm having a gel of a hydrous oxide or zirconium in a porous matrix | Chemistry; Metallurgy | 12 | Expired |
| US4170538A | Diaphragm having zirconium and magnesium compounds in a porous matrix | Chemistry; Metallurgy | 10 | Expired |
| US5106559A | Solid halogen-containing composition and method for producing same | Human Necessities | 9 | Expired |
| US4040934A | Bipolar electrolyzer having silicon laminate backplate | Chemistry; Metallurgy | 7 | Expired |
| US4483715A | Method for removing dibasic calcium hypochlorite scale | Chemistry; Metallurgy | 0 | Expired |
| US4483842A | Method for removing dibasic calcium hypochlorite scale | Chemistry; Metallurgy | 0 | Expired |
| US8257748B2 | Calcium hypochlorite compositions | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.