A47C 31/004
Means for protecting against undesired influence
Official title: {Means for protecting against undesired influence, e.g. magnetic radiation or static electricity}
A47C31/004 (Means for protecting against undesired influence) appears on 38 US grants and 41 published applications in this corpus.
Search patents in A47C- Granted patents
- 38
- Published applications
- 41
- Assignees
- 26
- Inventors
- 68
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 5 |
| 2024 | 3 | 1 |
| 2025 | 4 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Noise reduction and cancellation system for beds14 Jul 2026US 12,677,959 B2Sleep Number Corporation
- Resting element with connection to the earth connection of the dwelling25 Nov 2025US 12,478,193 B2
- Grounded mattress14 Oct 2025US 12,446,140 B2Carico International, Inc.
- Shock and vibration mitigation baseplate and method of manufacturing the same18 Mar 2025US 12,251,028 B2
- Hydraulic buffering leg cushion11 Feb 2025US 12,220,062 B1
- Independently-controlled double earthing mat with reduced power consumption23 Apr 2026US 2026/0113812 A1EMAG Innovation Co., Ltd.
- Holistic and therapeutic furniture and methods of making the same1 Jan 2026US 2026/0000210 A1Line29, Inc.
- A piece of furniture or a textile element26 Jun 2025US 2025/0204695 A1Eleda S.R.L.
- Shock and vibration mitigation baseplate and method of manufacturing the same12 Jun 2025US 2025/0185809 A1
- Pillow with internal storage compartment20 Mar 2025US 2025/0089918 A1
Most cited
By later US patents
- Chair mat23US 4,472,471 AUnited Technical Products, Inc. · 1984
- Layered fabric mattress16US 5,787,525 ALife Energy Industry Inc. · 1998
- Configuration-changing sleeping enclosure15US 8,407,835 B1Medibotics LLC · 2013
- Process for the manufacture of a wool fabric for beds, more particularly a mattress cover, and fabric obtained by said process12US 4,606,290 AManifattura Lane Gaetano Marzotto & Figli S.p.A. · 1986
- Upholstery fabric with electrically conductive backing11US 5,525,411 AMilliken Research Corporation · 1996