Louis S. Hoffman
25Patents
13h-index
25Co-inventors
77Inventor score
Filing activity: Mar 25, 1974 → Jan 3, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4599070A | Aircraft simulator and simulated control system therefor | Physics | 297 | Expired |
| US4722372A | Electrically operated dispensing apparatus and disposable container useable therewith | Emerging Cross-Sectional Technologies | 224 | Expired |
| US5027806A | Medication delivery system phase two | Human Necessities | 161 | Expired |
| US4373636A | Container | Performing Operations; Transporting | 131 | Expired |
| US4666099A | Apparatus for dispensing sheet material | Emerging Cross-Sectional Technologies | 123 | Expired |
| US4762124A | Liquid dispensing pouch | Emerging Cross-Sectional Technologies | 96 | Expired |
| US4786005A | Apparatus for dispensing sheet material | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4350263A | Package having sealed closing means | Performing Operations; Transporting | 55 | Expired |
| US4061783A | Packaged units and method of making same | Emerging Cross-Sectional Technologies | 41 | Expired |
| USD264359S | Rattle ball and handling toy | General | 33 | Expired |
| US4493531A | Field sensitive optical displays, generation of fields therefor and scanning thereof | Physics | 23 | Expired |
| US3990752A | Dispensing system and method for dispensing packets | Performing Operations; Transporting | 18 | Expired |
| US4282679A | Infant's toy--rattle and peek-a-boo ball | Human Necessities | 18 | Expired |
| US4428458A | Foldable ladder | Fixed Constructions | 11 | Expired |
| US3956045A | Method and apparatus for bonding layers of resinous material | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4079567A | Method for making moisture impervious packaging systems | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD259452S | Stemware holder | General | 9 | Expired |
| USD266101S | Combined puzzle and construction toy | General | 8 | Expired |
| US4641923A | Field sensitive optical displays with electrodes with high and low impedance portions | Physics | 8 | Expired |
| US4359852A | Sealed moistureproof container | Performing Operations; Transporting | 7 | Expired |
| US4440311A | Sealed moistureproof container | Performing Operations; Transporting | 7 | Expired |
| US4004397A | Apparatus and process for making disposable packet assemblies | Performing Operations; Transporting | 5 | Expired |
| US4059478A | Apparatus for bonding layers of resinous material | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3966083A | Containers for the bulk packaging of articles | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4795059A | Method and apparatus for simultaneous and continuous delivery of liquids from a plurality of individual containers to a dispensing device | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.