Gametime
34Patents
4Active
34Granted
36Portfolio score
Filing activity: Mar 31, 1975 → Jun 2, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4084812A | Playground swing apparatus | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US4014540A | Swing mount for playground equipment | Emerging Cross-Sectional Technologies | 41 | Expired |
| USD388148S | Playground slide | General | 32 | Expired |
| US4270748A | Modularized slide | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| USD384722S | Two-surface reversible slide | General | 21 | Expired |
| US4524966A | Seat for recreational swing set | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4611439A | Portable bleacher | Fixed Constructions | 19 | Expired |
| USD256150S | Dune buggy car shaped seat for playground apparatus | General | 16 | Expired |
| USD255916S | Panda bear shaped seat for playground apparatus | General | 16 | Expired |
| USD347568S | Panel clamp for a round pipe | General | 15 | Expired |
| USD358085S | Pipe clamp for a round pipe | General | 13 | Expired |
| US4211400A | Modularized slide | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4497484A | Playground climber | Human Necessities | 10 | Expired |
| USD279401S | Playground climber | General | 9 | Expired |
| US5688180A | Two-surface, reversible slide | Human Necessities | 8 | Expired |
| USD256192S | Park bench with spring support | General | 8 | Expired |
| US4877236A | Rotating playground equipment assembly | Human Necessities | 7 | Expired |
| USD247320S | Playground roundabout | General | 7 | Expired |
| US4706952A | Recreational swing set seat | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD249081S | Playground rider | General | 5 | Expired |
| US4516766A | Resilient support for playground seat | Human Necessities | 4 | Expired |
| USD370538S | Enclosure panel | General | 4 | Expired |
| USD248052S | Three-position swing | General | 4 | Expired |
| USD249080S | Combined playground climber and slide | General | 3 | Expired |
| USD386237S | Double helix ladder | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.