John Stone
20Patents
10h-index
20Co-inventors
75Inventor score
Filing activity: Mar 15, 1979 → Apr 6, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5682835A | Bird feeder | Human Necessities | 118 | Expired |
| US7685969B2 | Liquid bird feeder | Human Necessities | 59 | Active |
| US7600487B2 | Liquid bird feeder | Human Necessities | 56 | Active |
| US6378330B1 | Process for making pressurized liquefied natural gas from pressured natural gas using expansion cooling | Mechanical Engineering; Lighting; Heating | 51 | Expired |
| US7448346B1 | Bird feeder | Human Necessities | 48 | Expired |
| US7930994B2 | Bird feeder having an adjustable hanging cable | Human Necessities | 25 | Active |
| US6510706B2 | Process for NGL recovery from pressurized liquid natural gas | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7891319B2 | Liquid bird feeder | Human Necessities | 16 | Active |
| US8028658B2 | Liquid bird feeder | Human Necessities | 16 | Active |
| US7347162B2 | Squirrel proof bird feeder | Human Necessities | 10 | Expired |
| US6237364A | Process for producing a pressurized methane-rich liquid from a methane-rich gas | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4450066A | Hydrothermal pretreatment to prevent scale during liquefaction of certain solid carbonaceous materials | Chemistry; Metallurgy | 7 | Expired |
| US9140490B2 | Natural gas liquefaction processes with feed gas refrigerant cooling loops | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9593881B2 | Superconducting system for enhanced natural gas production | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US5265427A | Refrigerant recovery scheme | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8100085B2 | Liquid bird feeder | Human Necessities | 2 | Active |
| US4351716A | Liquefaction process | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9032908B2 | Liquid bird feeder | Human Necessities | 1 | Active |
| US8720374B2 | Liquid bird feeder | Human Necessities | 0 | Active |
| US9648855B2 | Liquid bird feeder | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.