G09F 19/04
Operated by the opening or closing of doors
Official title: operated by the opening or closing of doors, e.g. shop door
G09F19/04 (Operated by the opening or closing of doors) appears on 7 US grants and 9 published applications in this corpus.
Search patents in G09F- Granted patents
- 7
- Published applications
- 9
- Assignees
- 4
- Inventors
- 20
- Latest grant
- 13 Feb 2024
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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Vehicular display device13 Feb 2024US 11,900,835 B2Koito Manufacturing Co., Ltd.
- Smart door sign with integrated IOT devices and wireless signal repeaters14 Nov 2023US 11,817,016 B2
- System for implementing automatic door using transparent display22 Aug 2023US 11,735,075 B2LG Electronics Inc.
- Signage system for structural poles6 Aug 2019US 10,373,531 B2
- Door with built-in exit signal20 Jun 2017US 9,685,103 B2Hon Hai Precision Industry Co., Ltd.
- Door opening detection device and door opening recognition system19 Dec 2024US 2024/0416527 A1LG Electronics Inc.
- Expandable Door Hanger16 Jun 2022US 2022/0189344 A1
- System for implementing automatic door using transparent display10 Mar 2022US 2022/0074254 A1LG Electronics Inc.
- Vehicular display device13 Jan 2022US 2022/0013045 A1Koito Manufacturing Co., Ltd.
- Smart Door Sign with Integrated IOT Devices and Wireless Signal Repeaters17 Jun 2021US 2021/0183278 A1
Most cited
By later US patents
- Door vacancy indicator4US 9,299,270 B22016
- System for implementing automatic door using transparent display3US 11,735,075 B2LG Electronics Inc. · 2023
- Signage system for structural poles1US 10,373,531 B22019
- Vehicular display device1US 11,900,835 B2Koito Manufacturing Co., Ltd. · 2024
- Electric sign1US 4,724,630 A1988