Lloyd D. Johnson
21Patents
10h-index
9Co-inventors
68Inventor score
Filing activity: Dec 8, 1975 → Aug 24, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4457121A | Continuous motion bottle packer | Performing Operations; Transporting | 31 | Expired |
| US4878337A | Continuous motion tray type packaging machine | Performing Operations; Transporting | 25 | Expired |
| US4793117A | Continuous motion tray type packaging machine | Performing Operations; Transporting | 23 | Expired |
| US4173276A | Apparatus for detecting and clearing a jam of articles | Performing Operations; Transporting | 22 | Expired |
| US4774742A | Rappelling tool | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5241805A | Bottle packer for in line cases | Performing Operations; Transporting | 19 | Expired |
| US7552570B2 | Packaging machine | Performing Operations; Transporting | 14 | Expired |
| US4048783A | Case loader with invert grid and pushdown feature | Performing Operations; Transporting | 12 | Expired |
| US4075819A | Finger assembly for packer grid | Performing Operations; Transporting | 11 | Expired |
| US4291518A | Packing case tab slitter | Emerging Cross-Sectional Technologies | 10 | Expired |
| US3981122A | Apparatus for applying adhesive to carton flaps | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4504963A | Automatically calibrating meat analysis device | Physics | 6 | Expired |
| US8033082B2 | Packaging machine | Performing Operations; Transporting | 6 | Active |
| US4069908A | Side push divider | Performing Operations; Transporting | 6 | Expired |
| US4494355A | Case feeding apparatus for drop packer | Performing Operations; Transporting | 5 | Expired |
| US4551964A | Packing case tab slitter | Performing Operations; Transporting | 4 | Expired |
| US5507128A | Tray blank magazine and infeed for packaging machine | Performing Operations; Transporting | 3 | Expired |
| US5875880A | Article grouper and escapement for continuous motion packer | Performing Operations; Transporting | 2 | Expired |
| US4638620A | Carton flap opener | Performing Operations; Transporting | 1 | Expired |
| US5581977A | Method for handling and printing paperboard trays in a packaging machine | Performing Operations; Transporting | 0 | Expired |
| US11925831B2 | Arm exercise attachment | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.