Bill D. Andrew
8Patents
7h-index
12Co-inventors
52Inventor score
Filing activity: Mar 31, 1994 → Oct 25, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5612499A | Method of inserting a sensor into a pipeline | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5843271A | Plastic pipe butt fusion machine and cart assembly | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6550514B1 | Indexer system for use with a plastic pipe butt-fusion machine | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5439331A | High pressure tapping apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5770006A | Butt fusion machine for manufacturing full size segemented pipe turns | Performing Operations; Transporting | 17 | Expired |
| US5531250A | Device for plugging the interior of a pipe | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5725724A | Plastic pipe facer for butt fusion application | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5788790A | Method for butt welding thermoplastic pipe including automatic drag compensation | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.