Nanjing Chervon Industry Co., Ltd.
322Patents
288Active
322Granted
62Portfolio score
Filing activity: Jul 28, 2004 → Apr 18, 2024 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD555086S1 | Battery | General | 88 | Expired |
| USD946504S1 | Battery pack | General | 40 | Active |
| USD527236S1 | Screwdriver | General | 38 | Expired |
| USD588986S1 | Adaptor for power tools | General | 33 | Expired |
| US7243734B2 | Power tool with battery power supply | Emerging Cross-Sectional Technologies | 31 | Expired |
| USD894118S1 | Battery pack | General | 30 | Active |
| USD894827S1 | Battery pack | General | 28 | Active |
| USD893413S1 | Battery pack | General | 28 | Active |
| USD528389S1 | Angle grinder | General | 27 | Expired |
| USD532664S1 | Jig saw | General | 25 | Expired |
| USD531874S1 | Electric drill | General | 24 | Expired |
| USD854264S1 | Blower | General | 20 | Active |
| USD853669S1 | Blower | General | 18 | Active |
| USD515378S1 | Cordless drill | General | 17 | Expired |
| USD931199S1 | Battery pack | General | 17 | Active |
| US11122737B2 | Blade assembly for a lawn mower | Human Necessities | 17 | Active |
| USD507952S1 | Drill | General | 17 | Expired |
| US7513047B2 | Handheld power tool with a detachable handle | Performing Operations; Transporting | 16 | Expired |
| US11246260B2 | Lawn mower with blade and mounting assembly | Human Necessities | 16 | Active |
| USD911922S1 | Battery pack | General | 15 | Active |
| USD565374S1 | Drill | General | 14 | Expired |
| US10525582B2 | Power tool | Mechanical Engineering; Lighting; Heating | 14 | Active |
| USD524621S1 | Jig saw | General | 14 | Expired |
| USD965642S1 | Riding lawn mower | General | 14 | Active |
| USD528386S1 | Palm sander | General | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.