F04B 35/04
The means being electric
Official title: the means being electric
F04B35/04 (The means being electric) appears on 2,085 US grants and 2,599 published applications in this corpus.
Search patents in F04B- Granted patents
- 2,085
- Published applications
- 2,599
- Assignees
- 791
- Inventors
- 4,012
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 14 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 26 | 0 |
| 2001 | 31 | 17 |
| 2002 | 31 | 42 |
| 2003 | 61 | 74 |
| 2004 | 51 | 82 |
| 2005 | 40 | 87 |
| 2006 | 45 | 115 |
| 2007 | 34 | 61 |
| 2008 | 38 | 62 |
| 2009 | 37 | 69 |
| 2010 | 22 | 82 |
| 2011 | 48 | 71 |
| 2012 | 45 | 62 |
| 2013 | 51 | 98 |
| 2014 | 69 | 83 |
| 2015 | 56 | 140 |
| 2016 | 65 | 129 |
| 2017 | 104 | 169 |
| 2018 | 113 | 154 |
| 2019 | 143 | 151 |
| 2020 | 137 | 146 |
| 2021 | 121 | 160 |
| 2022 | 135 | 130 |
| 2023 | 97 | 129 |
| 2024 | 131 | 96 |
| 2025 | 124 | 108 |
| 2026 | 62 | 82 |
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.
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Pump device29 Sep 2026US 12,747,725 B2Iwaki Co., Ltd.
- Solenoid concept for pump control of a variable displacement piston pump29 Sep 2026US 12,747,727 B2Hamilton Sundstrand Corporation
- Pressure relief system for a portable air pump and inflator system22 Sep 2026US 12,742,444 B2The Noco Company
- Systems and methods for mobile compression8 Oct 2026US 2026/0309154 A1Artemis Production Solutions, Inc.
- Portable Air Pump and Inflator System with a Vibration Damping Base24 Sep 2026US 2026/0286946 A1The Noco Company
- Piston pump with pistons, crank rods, and ball joints17 Sep 2026US 2026/0275975 A1Lear Corporation
- Portable Air Compressor17 Sep 2026US 2026/0275976 A1The Noco Company
- Ac motor control device and air conditioning device27 Aug 2026US 2026/0254387 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Electroactive polymer electrodes1,515US 6,583,533 B2SRI International · 2003
- Portable, battery-powered air compressor for a pneumatic tool system1,047US 7,225,959 B2Black & Decker Inc. · 2007
- Apparatus for controlling driving of reciprocating compressor and method thereof1,026US 7,408,310 B2LG Electronics Inc. · 2008
- Coil winding number variable type motor and coil winding number varying method for varying cooling and heating capacity of reciprocating compressor1,021US 6,841,967 B2LG Electronics Inc. · 2005