David M. Colby
12Patents
5h-index
8Co-inventors
59Inventor score
Filing activity: Sep 21, 1990 → Apr 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5470468A | Spiral filtration module having bypass prevention flange | Performing Operations; Transporting | 26 | Expired |
| US7063789B2 | Filtration element and method of constructing a filtration assembly | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5073263A | Method and article for restraining extrusion of feed spacers and circumferential expansion in spiral filtration modules | Performing Operations; Transporting | 12 | Expired |
| USD779632S1 | Bundle body | General | 11 | Active |
| US7387731B2 | Filtration element and method of constructing a filtration assembly | Emerging Cross-Sectional Technologies | 5 | Active |
| US9956530B2 | Membrane module system with bundle enclosures and pulsed aeration and method of operation | Emerging Cross-Sectional Technologies | 2 | Active |
| US9333464B1 | Membrane module system with bundle enclosures and pulsed aeration and method of operation | Emerging Cross-Sectional Technologies | 1 | Active |
| USD779631S1 | Gasification device | General | 0 | Active |
| US7311830B2 | Filtration element and method of constructing a filtration assembly | Emerging Cross-Sectional Technologies | 0 | Expired |
| US9498753B2 | Method for sealing hollow fiber membranes | Emerging Cross-Sectional Technologies | 0 | Active |
| US9968888B2 | Method for sealing hollow fiber membranes | Emerging Cross-Sectional Technologies | 0 | Active |
| US10702831B2 | Membrane module system with bundle enclosures and pulsed aeration and method of operation | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.