David Rankin
13Patents
7h-index
7Co-inventors
59Inventor score
Filing activity: Oct 30, 1992 → May 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5489099A | Apparatus and method for tracking the flight of a golf ball | Human Necessities | 120 | Expired |
| US5342051A | Apparatus and method for tracking the flight of a golf ball | Human Necessities | 118 | Expired |
| US8070620B2 | Method and apparatus for measuring golf green speeds | Physics | 55 | Active |
| US6179720A | Correlation method and apparatus for target-oriented sports activities | Human Necessities | 51 | Expired |
| US6966843B2 | Golf club fitting system and method | Human Necessities | 39 | Expired |
| US7209576B2 | Methods, apparatus and computer program products for processing images of a golf ball | Physics | 13 | Expired |
| USD542875S1 | Golf ball marking guide | General | 10 | Expired |
| US6176789A | Scoring method and apparatus | Human Necessities | 2 | Expired |
| US10312731B2 | Powered shelf system for inductively powering electrical components of consumer product packages | Electricity | 2 | Active |
| US8192295B2 | Method and apparatus for evaluating a putt | Physics | 1 | Active |
| US8282499B2 | Method and apparatus for measuring golf green speeds | Physics | 0 | Active |
| US11769424B2 | Method, apparatus, and computer program product for measuring and interpreting metrics of an athletic action and an object associated therewith | Human Necessities | 0 | Active |
| US11344769B2 | Method, apparatus, and computer program product for measuring and interpreting metrics of an athletic action and an object associated therewith | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.