Inventor · Troy, MI, US

David D. Allred

19Patents
12h-index
23Co-inventors
74Inventor score

Filing activity: Mar 3, 1982 → Aug 5, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US4419533A Photovoltaic device having incident radiation directing means for total internal reflection Emerging Cross-Sectional Technologies 119 Expired
US4435445A Photo-assisted CVD Chemistry; Metallurgy 107 Expired
US4504518A Method of making amorphous semiconductor alloys and devices using microwave energy Emerging Cross-Sectional Technologies 92 Expired
US5458084A X-ray wave diffraction optics constructed by atomic layer epitaxy Physics 89 Expired
US4615905A Method of depositing semiconductor films by free radical generation Electricity 81 Expired
US4517223A Method of making amorphous semiconductor alloys and devices using microwave energy Electricity 63 Expired
US5485499A High throughput reflectivity and resolution x-ray dispersive and reflective structures for the 100 eV to 5000 eV energy range and method of making the devices Physics 42 Expired
US5226067A Coating for preventing corrosion to beryllium x-ray windows and method of preparing Chemistry; Metallurgy 38 Expired
US4664937A Method of depositing semiconductor films by free radical generation Electricity 34 Expired
US4702955A Multilayer decorative coating Emerging Cross-Sectional Technologies 16 Expired
US4685030A Surface mounted circuits including hybrid circuits, having CVD interconnects, and method of preparing the circuits Electricity 16 Expired
US4792501A Multilayered article including crystallization inhibiting layer and method for fabricating same Emerging Cross-Sectional Technologies 14 Expired
US4654224A Method of manufacturing a thermoelectric element Emerging Cross-Sectional Technologies 11 Expired
US4753675A Method of preparing a magnetic material Performing Operations; Transporting 8 Expired
US4594973A Cross head for internal combustion engine Emerging Cross-Sectional Technologies 7 Expired
US4715891A Method of preparing a magnetic material Electricity 6 Expired
US4701343A Method of depositing thin films using microwave energy Electricity 6 Expired
US4715890A Method of preparing a magnetic material Performing Operations; Transporting 3 Expired
US4745000A Method of fabricating electrostatic drums using microwave energy Electricity 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.