patentgrepDocs Get an API key

H04Q 2213/1315

Call waiting

H04Q2213/1315 (Call waiting) appears on 80 US grants and 32 published applications in this corpus.

Search patents in H04Q

Granted patents: 80
Published applications: 32
Assignees: 38
Inventors: 148
Latest grant: 12 Jan 2021

Filings by year

H04Q 2213/1315: granted patents and published applications per publication year
Year	Granted patents	Published applications
1990	1	0
1991	1	0
1992	0	0
1993	1	0
1994	1	0
1995	0	0
1996	1	0
1997	3	0
1998	6	0
1999	3	0
2000	12	0
2001	9	6
2002	8	7
2003	6	4
2004	6	1
2005	2	2
2006	1	2
2007	7	1
2008	0	2
2009	2	1
2010	1	0
2011	2	0
2012	1	0
2013	0	1
2014	0	0
2015	2	2
2016	1	1
2017	0	0
2018	1	0
2019	1	2
2020	0	0
2021	1	0

By publication year. Applications have been published since 2001.

Recent patents

Enhanced communication platform and related communication method using the platform12 Jan 2021US 10,891,598 B2Upaid Systems, Ltd.
Enhanced communication platform and related communication method using the platform18 Jun 2019US 10,325,264 B2Upaid Systems, Ltd.
Enhanced communication platform and related communication method using the platform13 Nov 2018US 10,127,555 B2Upaid Systems, Ltd.
Enhanced communication platform and related communication method using the platform30 Aug 2016US 9,432,377 B2Upaid Systems, Ltd.
Convergent communications platform and method for mobile and electronic commerce in a heterogeneous network environment4 Aug 2015US 9,098,958 B2U-Paid Systems, Ltd.

Most cited

By later US patents