David E. Welsh
24Patents
13h-index
33Co-inventors
81Inventor score
Filing activity: Sep 2, 1975 → Jun 28, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5046964A | Hybrid connector | Electricity | 134 | Expired |
| US6668108B1 | Optical cross-connect switch with integrated optical signal tap | Electricity | 128 | Expired |
| US5090911A | Modular connector system | Electricity | 85 | Expired |
| US4808118A | Retention and ground plane connector clip | Electricity | 53 | Expired |
| US6819815B1 | Method and apparatus for indirect adjustment of optical switch reflectors | Physics | 38 | Expired |
| US5088942A | Closed entry socket contact assembly | Electricity | 37 | Expired |
| US4033656A | Low profile integrated circuit socket | Electricity | 28 | Expired |
| US6643425B1 | Optical switch having switch mirror arrays controlled by scanning beams | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5015192A | Contact retention and sealing system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4941847A | Electrical connector contact retention system | Electricity | 17 | Expired |
| US4812137A | Connector with EMI/RFI grounding spring | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6792177B2 | Optical switch with internal monitoring | Physics | 15 | Expired |
| US4935847A | Circuit system with jackscrew installation device | Electricity | 14 | Expired |
| US8639069B1 | Wavelength dependent optical switch | Electricity | 11 | Active |
| US5898807A | Optic fiber connector | Physics | 11 | Expired |
| US5411418A | Repairable solderless connector arrangement | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5778737A | Balance weight and method of securing same to a rotatable tubular body | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6950215B2 | Method and apparatus for monitoring optical switches | Physics | 9 | Expired |
| US5373573A | High density fiber optic connector | Physics | 7 | Expired |
| US5066250A | Polarizing key permitting connector displacement | Electricity | 6 | Expired |
| US5181863A | EMI shielding backshell system | Electricity | 5 | Expired |
| US6032551A | Balance weight and method of securing same to a rotatable tubular body | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6681473B1 | Method and apparatus for hermetically sealing fiber array blocks | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6819824B1 | Optical switch package | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.