Darell E. Engelhaupt
19Patents
10h-index
24Co-inventors
72Inventor score
Filing activity: Sep 23, 1980 → Mar 15, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5871442A | Photonic molecular probe | Human Necessities | 158 | Expired |
| US4986130A | Apparatus and method for monitoring stress as a coating is applied | Physics | 59 | Expired |
| US5326454A | Method of forming electrodeposited anti-reflective surface coatings | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6591121B1 | Measurement, data acquisition, and signal processing | Human Necessities | 44 | Expired |
| US7541938B1 | Optical flame detection system and method | Physics | 41 | Active |
| US6236870A | Photonic molecular probe | Human Necessities | 40 | Expired |
| US4648944A | Apparatus and method for controlling plating induced stress in electroforming and electroplating processes | Physics | 37 | Expired |
| US8735844B1 | Compact neutron imaging system using axisymmetric mirrors | Physics | 30 | Active |
| US6406611B1 | Nickel cobalt phosphorous low stress electroplating | Chemistry; Metallurgy | 22 | Expired |
| US6594510B2 | Photonic molecular probe | Human Necessities | 13 | Expired |
| US6636752B1 | Measurement, data acquistion, and signal processing for a photonic molecular probe | Human Necessities | 10 | Expired |
| US5853897A | Substrate coated with highly diffusive metal surface layer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8052860B1 | Electrochemical and mechanical polishing and shaping method and system | Performing Operations; Transporting | 6 | Active |
| US5817422A | Optical apparatus having a highly diffusive metal surface layer | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5870185A | Apparatus and method for fluid analysis | Physics | 5 | Expired |
| US4647365A | Stress monitoring apparatus for use in electroforming and electroplating processes | Chemistry; Metallurgy | 4 | Expired |
| US4290858A | Process for forming a nickel foil with controlled and predetermined permeability to hydrogen | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8309944B1 | Grazing incidence neutron optics | Physics | 1 | Active |
| US8575577B1 | Grazing incidence neutron optics | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.