Johnson Industries, Inc.
15Patents
7Active
15Granted
41Portfolio score
Filing activity: Dec 11, 1974 → Dec 21, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5370218A | Apparatus for hauling coal through a mine | Performing Operations; Transporting | 64 | Expired |
| US4901980A | Portable car hoist and trailer with removable wheels | Performing Operations; Transporting | 46 | Expired |
| US4798359A | Furniture glide | Human Necessities | 35 | Expired |
| US4773337A | Tilt top table hardware | Human Necessities | 27 | Expired |
| US3993004A | Removable and tiltable table top | Human Necessities | 21 | Expired |
| US5606922A | Table leg latch mechanism | Human Necessities | 21 | Expired |
| US9261234B2 | Safety system | Emerging Cross-Sectional Technologies | 3 | Active |
| US5413004A | Method and apparatus for sampling coal | Physics | 3 | Expired |
| US9705351B2 | Battery exercising device | Emerging Cross-Sectional Technologies | 3 | Active |
| US8587147B2 | Safety system | Emerging Cross-Sectional Technologies | 3 | Active |
| US10177589B2 | Battery exercising device | Emerging Cross-Sectional Technologies | 2 | Active |
| US9917465B2 | Battery exercising device | Emerging Cross-Sectional Technologies | 1 | Active |
| US8171808B2 | Material sampling device with rotatable tube assembly | Physics | 1 | Active |
| US7360725B2 | Material crusher | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10886765B2 | Lighted connector for a battery cable | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.