F04B 49/10
Control: other safety measures
Official title: Other safety measures
F04B49/10 (Control: other safety measures) appears on 804 US grants and 816 published applications in this corpus.
Search patents in F04B- Granted patents
- 804
- Published applications
- 816
- Assignees
- 501
- Inventors
- 1,708
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 4 |
| 2003 | 3 | 2 |
| 2004 | 4 | 10 |
| 2005 | 3 | 10 |
| 2006 | 5 | 10 |
| 2007 | 2 | 12 |
| 2008 | 6 | 26 |
| 2009 | 4 | 10 |
| 2010 | 14 | 22 |
| 2011 | 16 | 21 |
| 2012 | 12 | 22 |
| 2013 | 22 | 34 |
| 2014 | 19 | 44 |
| 2015 | 29 | 55 |
| 2016 | 23 | 46 |
| 2017 | 27 | 52 |
| 2018 | 39 | 52 |
| 2019 | 73 | 41 |
| 2020 | 53 | 54 |
| 2021 | 43 | 63 |
| 2022 | 44 | 56 |
| 2023 | 48 | 55 |
| 2024 | 50 | 43 |
| 2025 | 47 | 40 |
| 2026 | 32 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compressor6 Oct 2026US 12,753,751 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Air compressor29 Sep 2026US 12,747,730 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Single stage reciprocating piston compressor with cooling22 Sep 2026US 12,742,447 B2I-Jack Technologies Incorporated
- Gas compression system and control method thereof25 Aug 2026US 12,716,410 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Safety device for fluid ends11 Aug 2026US 12,704,426 B2Forum US, Inc.
- Variable speed pumping system and method8 Oct 2026US 2026/0309157 A1Pentair Water Pool and Spa, Inc.
- Variable speed pumping system and method1 Oct 2026US 2026/0298251 A1Pentair Water Pool and Spa, Inc.
- Hydraulic pump state monitoring device and hydraulic drive system10 Sep 2026US 2026/0266272 A1Hitachi Construction Machinery Co., Ltd.
- Method for predicting the remaining useful life of a seal arrangement of a piston compressor3 Sep 2026US 2026/0260034 A1Burckhardt Compression AG
- System for Predicting Physical Properties of Compressor Oil27 Aug 2026US 2026/0251632 A1Hitachi, Ltd.
Most cited
By later US patents
- User interface and monitoring functions for automated peritoneal dialysis systems430US 5,438,510 ADEKA Products Limited Partnership · 1995
- Safety indicator lights for hydraulic fracturing pumps272US 9,650,871 B2U.S. Well Services, LLC · 2017
- Pump drivetrain damper system and control systems and methods for same206US 10,316,832 B2S,P.M. Flow Control, Inc. · 2019
- Hydraulic fracturing system and method for optimizing operation thereof204US 10,563,649 B2Caterpillar Inc. · 2020
- Methods and systems for operating a fleet of pumps192US 10,815,764 B1BJ Energy Solutions, LLC · 2020