SEMCO LLC
28Patents
14Active
28Granted
45Portfolio score
Filing activity: Dec 19, 1980 → Mar 24, 2022 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6199388A | System and method for controlling temperature and humidity | Emerging Cross-Sectional Technologies | 126 | Expired |
| US5496397A | Desiccant-coated substrate and method of manufacture | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5401706A | Desiccant-coated substrate and method of manufacture | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4986322A | System of packaging for ready to use preparations | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5594498A | Personal audio/video surveillance system | Electricity | 57 | Expired |
| US6098843A | Chemical delivery systems and methods of delivery | Chemistry; Metallurgy | 51 | Expired |
| US7886986B2 | Building, ventilation system, and recovery device control | Emerging Cross-Sectional Technologies | 36 | Active |
| US5300138A | Langmuir moderate type 1 desiccant mixture for air treatment | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5407305A | Continuous dense phase conveying method utilizing high pressure gas at predetermined gas pressures within a conveying pipe | Performing Operations; Transporting | 29 | Expired |
| US6269975A | Chemical delivery systems and methods of delivery | Performing Operations; Transporting | 28 | Expired |
| US4893745A | Suspendable folder | Performing Operations; Transporting | 24 | Expired |
| US6340098B2 | Chemical delivery systems and methods of delivery | Performing Operations; Transporting | 12 | Expired |
| US9625222B2 | Chilled beam pump module, system, and method | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US10690358B2 | Air conditioning with recovery wheel, passive dehumidification wheel, cooling coil, and secondary direct-expansion circuit | Emerging Cross-Sectional Technologies | 9 | Active |
| US6016710A | Method and apparatus for measuring the quantity of outdoor air processed by an air preconditioning module | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5740654A | Packaging assembly for freeze-dried preparations | Human Necessities | 7 | Expired |
| US8336215B2 | Image card, image engraving device and image engraving method | Emerging Cross-Sectional Technologies | 7 | Active |
| US10364995B2 | Unit with recovery wheel and economizer and method of control | Emerging Cross-Sectional Technologies | 3 | Active |
| US10060638B2 | Chilled beam pump module, system, and method | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11320161B2 | Air conditioning with recovery wheel, dehumidification wheel, and cooling coil | Emerging Cross-Sectional Technologies | 3 | Active |
| US4732206A | Plunger tip having a safety indicator surface | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8468703B2 | Image card, image engraving device and image engraving method | Emerging Cross-Sectional Technologies | 1 | Active |
| US11339567B2 | Fire-retardant panel with frame | Fixed Constructions | 0 | Active |
| US12044421B2 | Air conditioning with recovery wheel, dehumidification wheel, cooling coil, and secondary direct-expansion circuit | Emerging Cross-Sectional Technologies | 0 | Active |
| US11747030B2 | Multi-zone chilled beam system and method with pump module | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.