Jack W. Johnson
50Patents
16h-index
57Co-inventors
87Inventor score
Filing activity: Nov 1, 1978 → Dec 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6013171A | Catalytic dewaxing with trivalent rare earth metal ion exchanged ferrierite | Emerging Cross-Sectional Technologies | 61 | Expired |
| US9005561B2 | Selective sulfur removal process | Emerging Cross-Sectional Technologies | 50 | Active |
| US5852088A | Nanoporous ceramics with catalytic functionality | Chemistry; Metallurgy | 49 | Expired |
| US7125821B2 | Low metal content catalyst compositions and processes for making and using same | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5872070A | Pyrolysis of ceramic precursors to nanoporous ceramics | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6846778B2 | Synthetic isoparaffinic premium heavy lubricant base stock | Chemistry; Metallurgy | 35 | Expired |
| US7132042B2 | Production of fuels and lube oils from fischer-tropsch wax | Chemistry; Metallurgy | 34 | Expired |
| US7220695B2 | Supported activator | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4201839A | Cell containing an alkali metal anode, a solid cathode, and a closoborane and/or closocarborane electrolyte | Electricity | 25 | Expired |
| US6663767B1 | Low sulfur, low emission blends of fischer-tropsch and conventional diesel fuels | Chemistry; Metallurgy | 25 | Expired |
| US6833064B2 | Wide cut Fischer Tropsch diesel fuels | Emerging Cross-Sectional Technologies | 23 | Expired |
| US9573116B2 | Synthesis of ZSM-58 crystals with improved diffusivity for use in gas separations | Emerging Cross-Sectional Technologies | 21 | Active |
| US4376709A | Intercalated layered mixed oxides | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6787022B1 | Winter diesel fuel production from a fischer-tropsch wax | Chemistry; Metallurgy | 21 | Expired |
| US5258567A | Dehydrogenation of hydrocarbons | Chemistry; Metallurgy | 17 | Expired |
| US5563212A | Synthesis of microporous ceramics | Chemistry; Metallurgy | 16 | Expired |
| US5750819A | Process for hydroconversion of paraffin containing feeds | Chemistry; Metallurgy | 15 | Expired |
| US5756420A | Supported hydroconversion catalyst and process of preparation thereof | Performing Operations; Transporting | 14 | Expired |
| US5186833A | Composite metal-ceramic membranes and their fabrication | Performing Operations; Transporting | 13 | Expired |
| US5346871A | Catalyst for dehydrogenation of paraffins | Chemistry; Metallurgy | 12 | Expired |
| US7241375B2 | Heavy hydrocarbon composition with utility as a heavy lubricant base stock | Chemistry; Metallurgy | 10 | Expired |
| US4237061A | Organometallic intercalates | Chemistry; Metallurgy | 10 | Expired |
| US5330734A | Silica pillared micas | Performing Operations; Transporting | 10 | Expired |
| US5248644A | Zirconia-pillared clays and micas | Performing Operations; Transporting | 8 | Expired |
| US7344631B2 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.