David L. Hall
57Patents
12h-index
50Co-inventors
87Inventor score
Filing activity: Oct 20, 1977 → Oct 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7681406B2 | Ice-making system for refrigeration appliance | Mechanical Engineering; Lighting; Heating | 73 | Active |
| US9377238B2 | Refrigerator with a scissor-type lift mechanism | Mechanical Engineering; Lighting; Heating | 53 | Active |
| US4169543A | Amplitude responsive detector | Physics | 39 | Expired |
| US4631815A | Pick-up head | Emerging Cross-Sectional Technologies | 34 | Expired |
| US8375734B2 | Fresh food ice maker control | Emerging Cross-Sectional Technologies | 34 | Active |
| US4767298A | Heat staking apparatus | Emerging Cross-Sectional Technologies | 33 | Expired |
| US9217596B2 | Mechanism for ice creation | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US5510660A | Magnetostrictive vibration generation system | Electricity | 22 | Expired |
| US8484987B2 | Ice maker control system and method | Emerging Cross-Sectional Technologies | 18 | Active |
| US5406153A | Magnetostrictive vibration generation system | Electricity | 17 | Expired |
| US7094181B2 | Transportable trampoline system | Human Necessities | 14 | Expired |
| US8100119B2 | Paintball system | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US6432346B1 | Process of making magnetic recording disk | Performing Operations; Transporting | 12 | Expired |
| US6115219A | Read write head assembly that has a pair of opposed sliders that each have a transverse slotted rail aligned with a rail in the opposing slider that does not have a transverse slotted rail | Physics | 12 | Expired |
| US8186844B2 | Front-to-back showcase lighting for a refrigerator | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8810387B2 | Method and apparatus for the inspection, maintenance and testing of alarm safety systems | Physics | 11 | Active |
| US8584474B2 | Ice maker control system and method | Emerging Cross-Sectional Technologies | 10 | Active |
| US8490333B2 | Sealing gaskets | Emerging Cross-Sectional Technologies | 10 | Active |
| US9568240B2 | Refrigerator appliance with hot water dispenser | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6583959B1 | Read write head assembly having air bearing features for contaminant control in flexible media head-disk interface | Physics | 9 | Expired |
| US6487049B1 | Drive heads for storage media drive with displaced pair of sensors | Physics | 8 | Expired |
| US6549506B1 | Photo detector mounting in a head gimbal assembly used in an optical data storage device | Physics | 8 | Expired |
| US4649633A | Apparatus for clinching workpieces to a board | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8459047B2 | Method and apparatus for making clear ice | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5990450A | Rotary conveyor | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.