G06K 7/0021
For reading/sensing record carriers having surface contacts
Official title: {for reading/sensing record carriers having surface contacts}
G06K7/0021 (For reading/sensing record carriers having surface contacts) appears on 1,093 US grants and 734 published applications in this corpus.
Search patents in G06K- Granted patents
- 1,093
- Published applications
- 734
- Assignees
- 419
- Inventors
- 1,659
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 17 | 0 |
| 1990 | 16 | 0 |
| 1991 | 22 | 0 |
| 1992 | 9 | 0 |
| 1993 | 18 | 0 |
| 1994 | 19 | 0 |
| 1995 | 9 | 0 |
| 1996 | 19 | 0 |
| 1997 | 28 | 0 |
| 1998 | 41 | 0 |
| 1999 | 58 | 0 |
| 2000 | 68 | 0 |
| 2001 | 58 | 22 |
| 2002 | 49 | 39 |
| 2003 | 33 | 27 |
| 2004 | 42 | 35 |
| 2005 | 28 | 54 |
| 2006 | 37 | 44 |
| 2007 | 30 | 35 |
| 2008 | 36 | 35 |
| 2009 | 25 | 38 |
| 2010 | 36 | 51 |
| 2011 | 32 | 30 |
| 2012 | 32 | 19 |
| 2013 | 25 | 27 |
| 2014 | 18 | 29 |
| 2015 | 29 | 33 |
| 2016 | 37 | 33 |
| 2017 | 37 | 21 |
| 2018 | 20 | 33 |
| 2019 | 23 | 22 |
| 2020 | 23 | 20 |
| 2021 | 15 | 21 |
| 2022 | 16 | 25 |
| 2023 | 19 | 18 |
| 2024 | 17 | 14 |
| 2025 | 12 | 6 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-orientation card reader1 Sep 2026US 12,724,990 B2Cardtronics USA, Inc.
- Electrical card connector applying uniform insertion force30 Jun 2026US 12,671,195 B2Oupiin Electronickunshan) Co., Ltd
- Card reader with enhanced tamper resistance16 Jun 2026US 12,657,407 B2Diebold Nixdorf, Incorporated
- Finger-activated chip or contactless card19 May 2026US 12,632,689 B2Capital One Services, LLC
- Reading apparatus for a contactless readout of information on objects and methods for safeguarding such a reading apparatus12 May 2026US 12,626,075 B2Sick AG
- Card reader27 Aug 2026US 2026/0252828 A1Nidec Instruments Corporation
- Dual-orientation card reader2 Jul 2026US 2026/0187389 A1Cardtronics USA, Inc.
- Card socket and electronic device2 Jul 2026US 2026/0188927 A1Huawei Technologies Co., Ltd.
- Card reader20 Nov 2025US 2025/0356152 A1Nidec Instruments Corporation
- Card reader and method of controlling card reader18 Sep 2025US 2025/0292038 A1Nidec Instruments Corporation
Most cited
By later US patents
- Mounting socket for memory card and SIM card having integrated sensing switch687US 7,896,671 B2Tyco Electronics AMP Korea Co., Ltd. · 2011
- Multimedia electronic wallet with generic card533US 5,748,737 A1998
- Smart card with integrated fingerprint reader414US 6,325,285 B1AT&T Corp. · 2001
- Smart card pin system, card, and reader364US 6,257,486 B1Cardis Research & Development Ltd. · 2001
- Intelligent credit card system344US 7,360,688 B12008