4Sphere LLC
Lake Forest, CA, US· latest recorded location
4SPHERE LLC is named on 1 US grants and 3 published applications in this corpus. Its most frequent classification is F01D (Non-positive displacement machines or engines).
- Granted patents
- 1
- Published applications
- 3
- Inventors
- 1
- Granted in 2026 so far
- 0
- Most recent grant
- 6 Jan 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
By publication year.
Technology areas
Share of 4 documents
Recent patents
Most cited
By later US patents