Calstone
Sunnyvale, CA, US· latest recorded location
Calstone is named on 3 US grants and 2 published applications in this corpus. Its most frequent classification is B28B (Shaping clay or other ceramic compositions).
- Granted patents
- 3
- Published applications
- 2
- Inventors
- 6
- Granted in 2026 so far
- 0
- Most recent grant
- 3 Apr 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year.
Technology areas
Share of 5 documents
Recent patents
- Apparatus for highly controlled color distribution in mass produced concrete products3 Apr 2012US 8,147,233 B2
- Apparatus for highly controlled color distribution in mass produced concrete products11 Aug 2009US 7,572,048 B2
- Concrete paving stone and concrete paving stones3 Feb 2004US D486,245 S1Design
Most cited
By later US patents