David Hirsch
7Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Apr 19, 1989 → Oct 19, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5423730A | Physical fitness training apparatus and method of using | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5748809A | Active area identification on a machine readable form using form landmarks | Physics | 48 | Expired |
| US4974836A | Resistance weight kit | Emerging Cross-Sectional Technologies | 47 | Expired |
| US8595105B2 | System and method for using an analogy in the management of personal finances | Physics | 9 | Active |
| US10331651B2 | Updating web files based on detected legacy model file changes | Physics | 0 | Active |
| US10331650B2 | Updating web files based on detected legacy model file changes | Physics | 0 | Active |
| US9242217B2 | Process and apparatus for continuous high temperature short-time alkoxylation (ethoxylation, propoxylation) of chemical substances with active hydrogen atoms | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.