Clark Reliance LLC
21Patents
4Active
21Granted
35Portfolio score
Filing activity: Jan 5, 1978 → Jul 1, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6666086B2 | Automatic boiler level controller | Physics | 62 | Expired |
| US5351036A | Microwave-based point liquid level monitoring system | Physics | 35 | Expired |
| US4507521A | High pressure electrical conductivity probe | Physics | 32 | Expired |
| US5243929A | Tubular sanitary sight indicator | Physics | 16 | Expired |
| US6575010B2 | Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllers | Physics | 10 | Expired |
| US5645336A | Illuminated fluid level indicator | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4197877A | Pressure reducing valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5743137A | Magnetic float assembly | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5249464A | Sight flow apparatus with cartridge | Physics | 5 | Expired |
| US5343826A | Fluid indicator assemblies for sight flow apparatus | Physics | 4 | Expired |
| US5297429A | Sanitary sight indicator | Physics | 4 | Expired |
| US4387733A | Dual fulcrum steam trap | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7047806B2 | Liquid level gage and illuminator therefor | Physics | 3 | Expired |
| US5647656A | Illuminated fluid level indicator | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4292998A | Pressure reducing valve | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4276354A | Steam traps or the like | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9920840B2 | Valve with different threads for preventing rotation of and locking bonnet within valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US4300719A | Steam traps | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11313713B2 | Magnetostrictive transmitter | Physics | 1 | Active |
| US9329069B2 | Liquid level system with blowdown feature | Physics | 1 | Active |
| US10258916B2 | Filtering system including impermeable extension for filtering element | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.