Y10T 137/2577
Liquid level responsive
Y10T137/2577 (Liquid level responsive) appears on 14 US grants and 10 published applications in this corpus.
Search patents in Y10T- Granted patents
- 14
- Published applications
- 10
- Assignees
- 10
- Inventors
- 22
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow control device24 Feb 2026US 12,560,950 B2Medincell
- Ebb and flow watering system27 Feb 2018US 9,901,044 B2IP Holdings, LLC
- Drainage apparatus6 Jun 2017US 9,671,309 B2Mahle International GmbH
- Fluid flow management through a wastewater level manipulation system and associated methods31 Jan 2017US 9,556,040 B2Data Flow Systems, Inc.
- Ebb and flow watering system3 Nov 2015US 9,176,503 B2IP Holdings, LLC
- Flow control device30 May 2024US 2024/0176370 A1Medincell
- Drainage apparatus25 Feb 2016US 2016/0054193 A1Mahle International GmbH
- Ebb and flow watering system14 Jan 2016US 2016/0007548 A1IP Holdings, LLC
- Fluid Flow Management Through a Wastewater Level Manipulation System and Associated Methods11 Jun 2015US 2015/0158739 A1Data Flow Systems, Inc.
- Ebb and flow watering system4 Sep 2014US 2014/0249685 A1IP Holdings, LLC
Most cited
By later US patents
- Wastewater collection flow management system and techniques27US 8,594,851 B1Data Flow Systems, Inc. · 2013
- Fluid flow management system and associated methods19US 8,600,568 B2Data Flow Systems, Inc. · 2013
- Fluid flow management through a wastewater level manipulation system and associated methods11US 8,983,667 B2Data Flow Systems, Inc. · 2015
- Anti-backflow valve for therapy tubs and the like9US 4,510,967 AKDI American Products, Inc. · 1985
- Sump level maintenance system6US 4,301,824 AGeneral Motors Corporation · 1981