Michael W. Ferralli
22Patents
9h-index
1Co-inventors
65Inventor score
Filing activity: Jun 22, 1976 → Oct 12, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4836328A | Omnidirectional acoustic transducer | Electricity | 34 | Expired |
| US5894042A | Bacteriostatic coating of polymeric conduit | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4421200A | Elliptically shaped transducer enclosure | Physics | 31 | Expired |
| US4264642A | Deposition of thin film organic coatings by ion implantation | Performing Operations; Transporting | 20 | Expired |
| US4629030A | Phase coherent acoustic transducer | Physics | 19 | Expired |
| US4474827A | Ion induced thin surface coating | Chemistry; Metallurgy | 17 | Expired |
| US5616892A | Virtual imaging multiple transducer system | Electricity | 12 | Expired |
| US4844198A | Plane wave focusing lens | Physics | 12 | Expired |
| US5793001A | Synchronized multiple transducer system | Electricity | 9 | Expired |
| US5681623A | Process for producing electrostatic clad conduit innerduct liner | Performing Operations; Transporting | 8 | Expired |
| US4109752A | Muffler | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US5764783A | Variable beamwidth transducer | Electricity | 6 | Expired |
| US5861191A | Bacteriostatic coating of polymeric conduit | Performing Operations; Transporting | 6 | Expired |
| US4153136A | Muffler | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5505992A | Hot melt spray cladding of innerduct liner | Electricity | 3 | Expired |
| US5501873A | Impact spray cladding of innerduct liner | Electricity | 3 | Expired |
| US5814371A | Hot melt fluidized cladding of innerduct liner with a liner of varying thickness | Electricity | 2 | Expired |
| US6076497A | Pressurized containers using phase change system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6646273B2 | Sun exposure and radiation dosimeter | Physics | 1 | Expired |
| US6076496A | Captive bag engine pre-oiling apparatus | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US5658613A | Hot melt fluidized cladding of innerduct liner | Electricity | 1 | Expired |
| US8007651B2 | Method for preparing thermally transmissive anodized surface and products therefrom | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.