H04M 3/38
Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
Official title: Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections (queuing arrangements H04Q3/64)
H04M3/38 (Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections) appears on 2,076 US grants and 1,654 published applications in this corpus.
Search patents in H04M- Granted patents
- 2,076
- Published applications
- 1,654
- Assignees
- 664
- Inventors
- 3,071
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 14 | 0 |
| 1994 | 26 | 0 |
| 1995 | 25 | 0 |
| 1996 | 32 | 0 |
| 1997 | 38 | 0 |
| 1998 | 65 | 0 |
| 1999 | 63 | 0 |
| 2000 | 72 | 0 |
| 2001 | 62 | 31 |
| 2002 | 42 | 93 |
| 2003 | 51 | 95 |
| 2004 | 59 | 110 |
| 2005 | 44 | 110 |
| 2006 | 72 | 112 |
| 2007 | 73 | 98 |
| 2008 | 62 | 111 |
| 2009 | 65 | 69 |
| 2010 | 77 | 78 |
| 2011 | 77 | 61 |
| 2012 | 98 | 67 |
| 2013 | 111 | 64 |
| 2014 | 115 | 73 |
| 2015 | 82 | 81 |
| 2016 | 91 | 64 |
| 2017 | 90 | 61 |
| 2018 | 76 | 51 |
| 2019 | 75 | 40 |
| 2020 | 61 | 33 |
| 2021 | 45 | 31 |
| 2022 | 46 | 30 |
| 2023 | 40 | 33 |
| 2024 | 32 | 25 |
| 2025 | 23 | 20 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for dynamically detecting disabilities22 Sep 2026US 12,743,934 B2Capital One Services, LLC
- System and method for providing an identical response to a similar issue that is received from different customers, via inbound-interaction in a digital multi-channel contact center30 Jun 2026US 12,671,763 B2Nice Ltd.
- System and method for electronic notification in institutional communications30 Jun 2026US 12,671,766 B2Value-Added Communications, Inc.
- On-hold experience26 May 2026US 12,641,179 B1United Services Automobile Association (USAA)
- Admission control of a communication session19 May 2026US 12,634,244 B2Comcast Cable Communications, LLC
- Systems and methods for automatically authenticating communications with a calling device24 Sep 2026US 2026/0292059 A1Neustar, Inc.
- End-to-end management of authenticated communications17 Sep 2026US 2026/0281237 A1Neustar, Inc.
- Admission control of a communication session10 Sep 2026US 2026/0270220 A1Comcast Cable Communications, LLC
- Multi-Profile Detection Of Inauthentic Communication Session Participants30 Jul 2026US 2026/0222491 A1Zoom Communications, Inc.
- System and method for device matching during a customer service call25 Jun 2026US 2026/0181072 A1Capital One Services, LLC
Most cited
By later US patents
- Voice browser for interactive services and methods thereof837US 6,269,336 B1Motorola, Inc. · 2001
- Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access584US 7,106,843 B1T-Netix, Inc. · 2006
- Communication and proximity authorization systems573US 6,490,443 B1Automated Business Companies · 2002
- Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services538US 5,727,057 AAG Communication Systems Corporation · 1998
- Communication and proximity authorization systems518US 7,110,744 B2Automated Business Companies · 2006