Jerzy Perkitny
43Patents
12h-index
13Co-inventors
78Inventor score
Filing activity: Apr 23, 1984 → Sep 15, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5542570A | Toy dispenser with feed means | Physics | 53 | Expired |
| US5820005A | Tape dispenser | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6644564B2 | Plant watering device with sprayer | Performing Operations; Transporting | 30 | Expired |
| USD432755S | Bank for paper money | General | 29 | Expired |
| US5474496A | Coin bank | Physics | 28 | Expired |
| US5902178A | Coin sorting apparatus | Physics | 24 | Expired |
| US6099401A | Coin sorting apparatus | Physics | 24 | Expired |
| US4822044A | Moving surface magnetic game | Human Necessities | 21 | Expired |
| US4987990A | Coin Bank | Physics | 21 | Expired |
| US6165063A | Coin sorting apparatus | Physics | 18 | Expired |
| US5988684A | Mechanized and motorized books with internal mechanism for selectively moving objects relative to book pages | Physics | 18 | Expired |
| US5122093A | Coin bank | Physics | 13 | Expired |
| USD347929S | Coin bank | General | 12 | Expired |
| USD393531S | Coin bank | General | 11 | Expired |
| US6638157B2 | Five coin bank | Physics | 11 | Expired |
| USD362685S | Pencil holder and coin bank | General | 11 | Expired |
| US6547296B1 | Disc handling tool | Performing Operations; Transporting | 11 | Expired |
| US5181877A | Apparatus for simulating a licking motion | Human Necessities | 10 | Expired |
| US7077172B2 | Waste collection device | Fixed Constructions | 9 | Expired |
| USD393530S | Coin bank | General | 9 | Expired |
| USD460102S1 | Coin sorter | General | 8 | Expired |
| USD378464S | Coin bank | General | 8 | Expired |
| USD329933S | Coin bank | General | 8 | Expired |
| USD470992S1 | Coin sorter housing | General | 7 | Expired |
| US4685893A | Toy doll or article with manipulative appendage | Human Necessities | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.