H05F 7/00
Use of naturally-occurring electricity
Official title: Use of naturally-occurring electricity, {e.g. lightning or static electricity}
H05F7/00 (Use of naturally-occurring electricity) appears on 37 US grants and 48 published applications in this corpus.
Search patents in H05F- Granted patents
- 37
- Published applications
- 48
- Assignees
- 24
- Inventors
- 63
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 3 | 5 |
| 2016 | 2 | 3 |
| 2017 | 5 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 1 | 4 |
| 2021 | 1 | 1 |
| 2022 | 0 | 4 |
| 2023 | 3 | 2 |
| 2024 | 4 | 1 |
| 2025 | 3 | 5 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrostatic generator28 Oct 2025US 12,456,850 B2
- Apparatus for collecting electrons from cloud bottoms and cloud tubes15 Jul 2025US 12,363,817 B1
- System and method of collecting energy utilizing a management system for an energy collection device, for collecting, managing, and discharging energy25 Feb 2025US 12,237,690 B2Atlas Power Technologies Inc.
- Power receiver for extracting power from electric field energy in the earth3 Dec 2024US 12,160,110 B2Earth Energies, Inc.
- Device for receiving and harvesting energy from the earth and its atmosphere5 Nov 2024US 12,136,824 B2
- Charging device6 Nov 2025US 2025/0344307 A1Nippon Telegraph and Telephone Corporation
- Electric charge shielding device2 Oct 2025US 2025/0309630 A1Ground Lightning S.A.S
- Frayed Energy Collectors17 Apr 2025US 2025/0126696 A1Ion Power Group, LLC
- Capturing and storing static electricity10 Apr 2025US 2025/0118987 A1
- Switch and processor controlled rectified energy harvester27 Mar 2025US 2025/0105666 A1Atlas Power Technologies Inc.
Most cited
By later US patents
- System for converting electromagnetic radiation energy to electrical energy23US 5,590,031 A1996
- Power receiver for extracting power from electric field energy in the earth14US 9,564,268 B2Earth Energies, Inc. · 2017
- Atmospheric electrical generator13US 7,855,476 B22010
- Dynamic electrical converter system6US 8,102,078 B2Sefe, Inc. · 2012
- Method of atmospheric discharge energy conversion, storage and distribution5US 8,045,314 B2The Travis Business Group, Inc · 2011