David F. Simon
22Patents
11h-index
9Co-inventors
68Inventor score
Filing activity: Oct 5, 1990 → Oct 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6974078B1 | Personal communication device with bar code reader for obtaining product information from multiple databases | Physics | 198 | Expired |
| US6728597B2 | Storage system for storing items to be distributed | Physics | 58 | Expired |
| US6498920B1 | Customizable web-based training system | Physics | 23 | Expired |
| US5065872A | Dual access storage and retrieval system | Human Necessities | 20 | Expired |
| US5381758A | Parrot tower | Human Necessities | 19 | Expired |
| USD722730S1 | Pet toy | General | 18 | Active |
| US9140406B2 | Support for variably positioning a holder platform for books or electric devices | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US8636208B2 | Mobile retail store structure with inventory system | Physics | 15 | Active |
| US7040591B1 | Adjustable book holder assembly | Human Necessities | 13 | Expired |
| US7895995B2 | Launcher and chase toy combination and method | Human Necessities | 13 | Active |
| US5819689A | Bird tower | Human Necessities | 12 | Expired |
| US9961880B2 | Pet toy with treat holding receptacles | Human Necessities | 10 | Active |
| US9635837B2 | Pet toy with ball holding feature | Human Necessities | 10 | Active |
| US7426903B2 | Bird toy | Human Necessities | 9 | Expired |
| US10609898B2 | Animal food dispenser | Human Necessities | 8 | Active |
| US10932443B2 | Treat dispensing pet toy | Human Necessities | 5 | Active |
| USD814714S1 | Food dispenser | General | 5 | Active |
| US9474346B2 | Tray assembly in combination with a wheeled luggage bag having a pair handle struts | Human Necessities | 4 | Active |
| US7900583B2 | Slidable ring bird toy | Human Necessities | 3 | Active |
| US11248736B2 | Lap top workstation with leveling adjustability and accessory attachment features | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9078411B2 | Arrangement and method for impeding pet access to food in a feed vessel to deter too rapid ingestion of food | Human Necessities | 1 | Active |
| US12042039B2 | Device workstations with multi-way leveling adjustability, arcuate base, and accessory attachment features | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.