Using Co. Ltd.
Kowloon, HK· latest recorded location
Using Co. Ltd. is named on 2 US grants and 2 published applications in this corpus. Its most frequent classification is F04D (Non-positive-displacement pumps).
- Granted patents
- 2
- Published applications
- 2
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 18 Feb 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
By publication year.
Technology areas
Share of 4 documents
Recent patents
Most cited
By later US patents