Robert A. Clack
20Patents
16h-index
15Co-inventors
78Inventor score
Filing activity: Oct 28, 1981 → Oct 8, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6051144A | Liquid filtration system and replaceable filter cartridge usable therewith | Chemistry; Metallurgy | 102 | Expired |
| US5876610A | Method and apparatus for monitoring liquid flow through an enclosed stream | Chemistry; Metallurgy | 68 | Expired |
| US5454944A | Self-contained, purified drinking water refrigerator storage apparatus | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5128035A | Fluid flow control device for water treatment systems | Performing Operations; Transporting | 56 | Expired |
| US5290442A | Self-contained, purified drinking water refrigerator storage apparatus | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5002664A | Fluid flow control device for R.O. filtration purification systems | Performing Operations; Transporting | 47 | Expired |
| US5320752A | Water purification system employing modular flat filter assembly | Performing Operations; Transporting | 44 | Expired |
| US5560393A | Self-contained, purified drinking water refrigerator storage apparatus | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4997553A | Storage and dispensing apparatus for reverse osmosis filtration purification system | Performing Operations; Transporting | 37 | Expired |
| US6444127B1 | Water conditioning unit control valve | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4496906A | Liquid conductivity monitor | Physics | 30 | Expired |
| US4806912A | Monitoring system for a liquid purification system | Performing Operations; Transporting | 27 | Expired |
| USRE35252E | Fluid flow control device for water treatment systems | General | 23 | Expired |
| USD386242S | Countertop filter | General | 20 | Expired |
| USD355241S | Water filter | General | 19 | Expired |
| US5366576A | Method for producing tubular products from nonwoven fibers | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5460719A | Modular flat filter assembly and method of making same | Performing Operations; Transporting | 14 | Expired |
| US5672232A | Apparatus for producing tubular products from nonwoven fibers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7476354B2 | Method and apparatus for making a blow molded article with integral insert | Performing Operations; Transporting | 5 | Active |
| US7690914B1 | Apparatus for making a blow molded article with integral insert | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.