John P. Schaefer
8Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Feb 13, 1989 → Jul 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8145681B2 | System and methods for generating manufacturing data objects | Physics | 20 | Active |
| US6921177B2 | High precision mirror, and a method of making it | Physics | 14 | Expired |
| US4927153A | Golf putting practice device | Human Necessities | 11 | Expired |
| US9575223B2 | Magnesium mirrors and methods of manufacture thereof | Physics | 3 | Active |
| US11619764B2 | High-performance optical surface | Physics | 1 | Active |
| US6873467B1 | Method and system for providing optical alignment for a visible wavelength reflective system | Physics | 0 | Expired |
| US12066591B2 | Visible quality mirror finishing | Performing Operations; Transporting | 0 | Active |
| US11698477B2 | Visible quality additive manufactured aluminum mirror finishing | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.