Greenkeepers, Inc.
11Patents
6Active
11Granted
40Portfolio score
Filing activity: Jan 21, 1997 → Dec 4, 2015 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD430968S | Golf shoe spike | General | 78 | Expired |
| US5794367A | Sports shoe cleats | Human Necessities | 68 | Expired |
| US6463682B1 | Golf cleat with quick attach and lock and outwardly angled faceted teeth | Human Necessities | 11 | Expired |
| USD456869S1 | Golf ball mark repair tool | General | 9 | Expired |
| US6530162B1 | Sports shoe cleats | Human Necessities | 8 | Expired |
| USD715877S1 | Golf tee | General | 8 | Active |
| USD724685S1 | Counterweight for golf club | General | 7 | Active |
| USD782587S1 | Golf tee | General | 7 | Active |
| US9849360B2 | Golf tee with ball support | Human Necessities | 6 | Active |
| USD774606S1 | Golf tee | General | 3 | Active |
| US9216337B2 | Overmolded golf tee and method of making it | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.