F16K 21/165
With means sensing the weight of said fluid quantity
Official title: {with means sensing the weight of said fluid quantity}
F16K21/165 (With means sensing the weight of said fluid quantity) appears on 8 US grants and 4 published applications in this corpus.
Search patents in F16K- Granted patents
- 8
- Published applications
- 4
- Assignees
- 2
- Inventors
- 17
- Latest grant
- 22 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Weight-actuated spring-biased valve22 Feb 2022US 11,255,453 B2Prodew, Inc.
- Positive pressure relief valve25 Feb 2020US 10,571,037 B2Aurora Flight Sciences Corporation
- Water intake structure for water-storing key float23 Jun 2015US 9,062,443 B2
- Automatic watering device for hanging baskets and planter boxes22 May 2007US 7,219,468 B1
- Automatic watering device for potted plants19 Dec 2000US 6,161,329 A
- Nozzle Opening and Closing Device for Electrolyte Injection21 Nov 2024US 2024/0382981 A1
- Weight-actuated spring-biased valve30 Apr 2020US 2020/0132207 A1Prodew, Inc.
- Positive Pressure Relief Valve10 Oct 2019US 2019/0309865 A1Aurora Flight Sciences Corporation
- Inlet structure of water-storing keg float5 Sep 2013US 2013/0227774 A1
Most cited
By later US patents
- Container having fluid-weight control device25US 5,829,465 A1998
- Self-watering apparatus for plant16US 5,848,494 A1998
- Automatic watering device for potted plants16US 6,161,329 A2000
- Container having fluid-weight control device12US 5,887,609 A1999
- Automatic watering device for hanging baskets and planter boxes5US 7,219,468 B12007