PPL Corporation
Allentown, PA, US· latest recorded location
PPL Corporation is named on 5 US grants and 4 published applications in this corpus. Its most frequent classification is H02H (Emergency protective circuit arrangements).
- Granted patents
- 5
- Published applications
- 4
- Inventors
- 6
- Granted in 2026 so far
- 0
- Most recent grant
- 3 Nov 2020
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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
By publication year.
Technology areas
Share of 9 documents
- H02HEmergency protective circuit arrangements4
- F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general2
- G08BSignalling systems2
- H02GInstallation of electric cables or lines, or of combined optical and electric2
- Y02EClean energy generation and storage2
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2
- E04HBuildings or like structures for particular purposes1
Recent patents
- Systems and methods for relay logic for alarming and tripping for energized downed conductors3 Nov 2020US 10,825,323 B2
- Systems and methods for script implemented logic for trigger for converting electromechanical relay outputs into fault indication for automatic restoration application8 Sep 2020US 10,770,881 B2
- Systems and methods for attachment of multiple utility conductors using a megavang16 Jul 2019US 10,355,467 B1
- Crossflow air heater bypass8 Mar 2005US 6,863,523 B2
- Apparatus for assisting in the removal of trash from swimming pools29 Mar 1988US 4,734,189 A
- Systems and methods for relay logic for alarming and tripping for energized downed conductors4 Jul 2019US 2019/0206219 A1
- Systems and methods for attachment of multiple utility conductors using a megavang4 Jul 2019US 2019/0207373 A1
- Systems and methods for script implemented logic for trigger for converting electromechanical relay outputs into fault indication for automatic restoration application4 Jul 2019US 2019/0207377 A1
- Crossflow air heater bypass1 Jan 2004US 2004/0002029 A1
Most cited
By later US patents