G06K 13/067
Checking presence, absence, correct position, or moving status of cards
G06K13/067 (Checking presence, absence, correct position, or moving status of cards) appears on 146 US grants and 49 published applications in this corpus.
Search patents in G06K- Granted patents
- 146
- Published applications
- 49
- Assignees
- 90
- Inventors
- 214
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 6 |
| 2005 | 5 | 2 |
| 2006 | 6 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 3 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 2 | 5 |
| 2017 | 5 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Card reader and card pulling-out detection method8 Sep 2026US 12,730,998 B2Nidec Instruments Corporation
- Card positioning method and card reader16 Jun 2026US 12,657,411 B2Nidec Instruments Corporation
- Transaction object reader with configurable amplifier5 May 2026US 12,619,973 B2Block, Inc.
- Transaction object reader with shielding18 Feb 2025US 12,229,748 B1Block, Inc.
- Transaction object reader with interposer5 Mar 2024US 11,922,397 B2Block, Inc.
- Card reader and card pulling-out detection method16 Jul 2026US 2026/0203539 A1Nidec Instruments Corporation
- Card positioning method and card reader2 Apr 2026US 2026/0093936 A1Nidec Instruments Corporation
- Transaction object reader with configurable amplifier1 May 2025US 2025/0139607 A1Block, Inc.
- Transaction object reader with analog and digital signal interface22 Jun 2023US 2023/0196335 A1Block, Inc.
- Card reader and control method therefor23 Feb 2023US 2023/0059789 A1Nidec Sankyo Corporation
Most cited
By later US patents
- Photoelectric apparatus for document counting and overlap detection118US 4,237,378 ABrandt-Pra, Inc. · 1980
- Double document detection system64US 4,243,216 ANCR Canada Ltd - NCR Canada Ltee · 1981
- System and method for reading marks on a document47US 4,479,194 AComputer Election Systems · 1984
- Electronic scale printer44US 4,598,780 ATeraoka Seiko Co., Ltd. · 1986
- Doubles and thickness detector and sorter34US 4,121,716 APitney Bowes Inc. · 1978