F04B 49/106
Responsive to pumped volume
Official title: {Responsive to pumped volume}
F04B49/106 (Responsive to pumped volume) appears on 153 US grants and 170 published applications in this corpus.
Search patents in F04B- Granted patents
- 153
- Published applications
- 170
- Assignees
- 126
- Inventors
- 329
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 6 |
| 2011 | 2 | 9 |
| 2012 | 4 | 5 |
| 2013 | 5 | 7 |
| 2014 | 5 | 12 |
| 2015 | 9 | 15 |
| 2016 | 3 | 8 |
| 2017 | 7 | 10 |
| 2018 | 8 | 13 |
| 2019 | 18 | 7 |
| 2020 | 13 | 12 |
| 2021 | 11 | 12 |
| 2022 | 6 | 17 |
| 2023 | 12 | 9 |
| 2024 | 16 | 8 |
| 2025 | 6 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operating a construction-material and/or viscous-material pump for conveying construction material and/or viscous material, and construction-material and/or viscous-material pump for conveying construction material and/or viscous material28 Jul 2026US 12,692,860 B2Putzmeister Engineering GmbH
- Device for the dosed administration of a fluid product, adapted for the replacement of a container14 Jul 2026US 12,678,568 B2Ypsomed AG
- Method for determining malfunction of a liquid drainage pump and related control device and liquid drainage pump19 May 2026US 12,631,173 B2
- Fluid delivery24 Feb 2026US 12,560,161 B2Kpr U. S. LLC
- Method to smooth pump rate while fracturing13 Jan 2026US 12,523,216 B2Halliburton Energy Services.Inc.
- Fluid delivery2 Jul 2026US 2026/0185520 A1Kpr U. S. LLC
- Device for supplying coolant, and cooling water system25 Jun 2026US 2026/0176928 A1Klaus Guenther GmbH
- Air flow verification station30 Apr 2026US 2026/0117762 A1L'oreal
- Systems and methods to operate hydraulic fracturing units using automatic flow rate and/or pressure control19 Feb 2026US 2026/0049544 A1BJ Energy Solutions, LLC
- Fluid delivery11 Sep 2025US 2025/0283459 A1Kpr U. S. LLC
Most cited
By later US patents
- User interface and monitoring functions for automated peritoneal dialysis systems430US 5,438,510 ADEKA Products Limited Partnership · 1995
- Electronic control for a rotary fluid device171US 10,100,827 B2Eaton Intelligent Power Limited · 2018
- Automated operation of wellsite pumping equipment170US 10,415,562 B2Schlumberger Technology Corporation · 2019
- Device for the dosed administration of a fluid product, provided with a coupling92US 8,409,148 B2TecPharma Licensing AG · 2013
- Device for the dosed administration of a fluid product, adapted for the replacement of a container86US 7,976,494 B2TecPharma Licensing AG · 2011