David P. Bloomfield
24Patents
15h-index
19Co-inventors
78Inventor score
Filing activity: Feb 12, 1975 → Apr 11, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3982962A | Pressurized fuel cell power plant with steam powered compressor | Emerging Cross-Sectional Technologies | 97 | Expired |
| US4593534A | Electrochemically driven heat pump | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US4004947A | Pressurized fuel cell power plant | Electricity | 71 | Expired |
| US5989741A | Electrochemical cell system with side-by-side arrangement of cells | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5415888A | Method of imprinting catalytically active particles on membrane | Emerging Cross-Sectional Technologies | 68 | Expired |
| US3976507A | Pressurized fuel cell power plant with single reactant gas stream | Emerging Cross-Sectional Technologies | 63 | Expired |
| US3972731A | Pressurized fuel cell power plant | Emerging Cross-Sectional Technologies | 61 | Expired |
| US3973993A | Pressurized fuel cell power plant with steam flow through the cells | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5976724A | Fuel cell power plant with electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5900031A | Electrochemical hydrogen compressor with electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6068673A | Electrochemical hydrogen compressor with electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 25 | Expired |
| US9574703B2 | Hand-held or vehicle mounted camera stabilization system | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US5993619A | Electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 22 | Expired |
| US8938161B2 | Method and system for enabling pointing control of an actively stabilized camera | Electricity | 18 | Active |
| USD723090S1 | Stabilised gimbal assembly | General | 16 | Active |
| USD744580S1 | Stabilized gimbal assembly | General | 11 | Active |
| USD720833S1 | Quick release assembly | General | 11 | Active |
| USD732103S1 | Stabilized gimbal assembly | General | 8 | Active |
| US6143159A | Electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9900511B2 | Method, system, and device for controlling a stabilized camera remotely | Electricity | 6 | Active |
| US7219628B1 | Vaporizer and methods relating to same | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6110615A | Fuel cell power plant with electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5965010A | Electrochemical autothermal reformer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10298846B2 | Method and system for enabling pointing control of an actively stabilized camera | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.