G01L 21/08
Vacuum gauges: by measuring variations in the transmission of acoustic waves through
Official title: by measuring variations in the transmission of acoustic waves through the medium, the pressure of which is to be measured
G01L21/08 (Vacuum gauges: by measuring variations in the transmission of acoustic waves through) appears on 3 US grants and 3 published applications in this corpus.
Search patents in G01L- Granted patents
- 3
- Published applications
- 3
- Assignees
- 3
- Inventors
- 14
- Latest grant
- 20 Apr 2021
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| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
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Recent patents
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Most cited
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