ESM LLC
12Patents
7Active
12Granted
44Portfolio score
Filing activity: Feb 9, 1973 → Dec 14, 2015 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4057225A | Screw feeder for granular material | Performing Operations; Transporting | 11 | Expired |
| US6458710B1 | Process for forming uniform multiple contact holes | Electricity | 8 | Expired |
| US4126453A | Composition for a fluidizing flux in the production of iron and steel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US3982929A | Composition for a fluidizing flux in the production of iron and steel | Chemistry; Metallurgy | 4 | Expired |
| US8927032B2 | Methods for treating metabolic disorders | Human Necessities | 3 | Active |
| US9259780B2 | Rotational lance drive and rotational lance injection method | Emerging Cross-Sectional Technologies | 3 | Active |
| US8679551B2 | Methods for treating glucose metabolic disorders | Human Necessities | 3 | Active |
| US7939012B2 | Skimmer apparatus and method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9725136B1 | Collapsible and removable cover assembly | Performing Operations; Transporting | 2 | Active |
| US4444590A | Calcium-slag additive for steel desulfurization and method for making same | Chemistry; Metallurgy | 1 | Expired |
| US7584876B2 | Wire injector apparatus | Chemistry; Metallurgy | 0 | Active |
| US8623270B2 | Dual outlet injection system | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.