Joel Kramer
11Patents
7h-index
10Co-inventors
63Inventor score
Filing activity: Nov 15, 1974 → Aug 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4303955A | Apparatus for securing and releasing tape cartridges from tape decks | Physics | 24 | Expired |
| US3964098A | Tape deck with drive motor remote from drive roller | Physics | 22 | Expired |
| USD585500S1 | Portable game assembly | General | 14 | Expired |
| US5464301A | Rotary latch | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5599060A | Child's booster seat for vehicles | Performing Operations; Transporting | 13 | Expired |
| USD585499S1 | Portable game assembly | General | 11 | Expired |
| US7862043B2 | Game assembly employing spring loaded fabric hinge | Human Necessities | 7 | Active |
| US11435159B1 | Inertia activated projectile blaster and methods | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7874560B1 | Suspended game piece construction game | Human Necessities | 2 | Active |
| US11103799B2 | Posable toy figure | Human Necessities | 0 | Active |
| US11707691B2 | Posable toy figure | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.