Ervin Industries, Inc.
10Patents
7Active
10Granted
42Portfolio score
Filing activity: Nov 8, 1976 → Jun 12, 2015 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4329819A | Centrifugal blasting apparatus | Performing Operations; Transporting | 10 | Expired |
| US8028626B2 | Frangible, ceramic-metal composite objects and methods of making the same | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US9188416B1 | Lead-free, corrosion-resistant projectiles and methods of manufacture | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US10323919B2 | Frangible, ceramic-metal composite objects and methods of making the same | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4047334A | Blast cleaning machine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4336672A | Centrifugal blasting apparatus | Performing Operations; Transporting | 4 | Expired |
| US9057591B2 | Lead-free projectiles and methods of manufacture | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8468947B2 | Frangible, ceramic-metal composite objects and methods of making the same | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8567298B2 | Cost-effective high-volume method to produce metal cubes with rounded edges | Emerging Cross-Sectional Technologies | 1 | Active |
| US8726778B2 | Cost-effective high-volume method to produce metal cubes with rounded edges | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.