Individual holder
HELFERICH RICHARD J
US·18 granted patents·3 pending applications·563 citations·filing 1987–2015
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
21 records- 0194US5003576AAnalog/digital voice storage cellular telephoneHELFERICH RICHARD J·Filed 1989·Granted Mar 26, 1991·130 cites·10 claims
- 0293US8107601B2Wireless messaging systemHELFERICH RICHARD J·Filed 2006·Granted Jan 31, 2012·17 cites·17 claims
- 0393US7403787B2Paging transceivers and methods for selectively retrieving messagesHELFERICH RICHARD J·Filed 2005·Granted Jul 22, 2008·17 cites·11 claims
- 0491US8116741B2System and method for delivering information to a transmitting and receiving deviceHELFERICH RICHARD J·Filed 2008·Granted Feb 14, 2012·12 cites·27 claims
- 0590US8224294B2System and method for delivering information to a transmitting and receiving deviceHELFERICH RICHARD J·Filed 2009·Granted Jul 17, 2012·10 cites·58 claims
- 0690US7003304B1Paging transceivers and methods for selectively retrieving messagesHELFERICH RICHARD J·Filed 2000·Granted Feb 21, 2006·34 cites·34 claims
- 0789US8295450B2Wireless messaging systemHELFERICH RICHARD J·Filed 2008·Granted Oct 23, 2012·10 cites·5 claims
- 0887US8116743B2Systems and methods for downloading information to a mobile deviceHELFERICH RICHARD J·Filed 2006·Granted Feb 14, 2012·11 cites·6 claims
- 0986US6826407B1System and method for integrating audio and visual messagingHELFERICH RICHARD J·Filed 1999·Granted Nov 30, 2004·117 cites·53 claims
- 1085US8134450B2Content provision to subscribers via wireless transmissionHELFERICH RICHARD J·Filed 2009·Granted Mar 13, 2012·6 cites·28 claims
- 1183US4905003AAnalog/digital data storage systemHELFERICH RICHARD J·Filed 1987·Granted Feb 27, 1990·60 cites·41 claims
- 1282US8498387B2Wireless messaging systems and methodsHELFERICH RICHARD J·Filed 2011·Granted Jul 30, 2013·3 cites·8 claims
- 1382US8099046B2Method for integrating audio and visual messagingHELFERICH RICHARD J·Filed 2004·Granted Jan 17, 2012·23 cites·17 claims
- 1479US8560006B2System and method for delivering information to a transmitting and receiving deviceHELFERICH RICHARD J·Filed 2013·Granted Oct 15, 2013·2 cites·32 claims
- 1578US6696921B2Transmitting and receiving devices and methods for transmitting data to and receiving data from a communications systemHELFERICH RICHARD J·Filed 2002·Granted Feb 24, 2004·18 cites·20 claims
- 1677USRE34976EAnalog/digital voice storage cellular telephoneHELFERICH RICHARD J·Filed 1993·Granted Jun 20, 1995·58 cites·8 claims
- 1770US4864301AVariable speed transmission recording and retrieval of dataHELFERICH RICHARD J·Filed 1987·Granted Sep 5, 1989·35 cites·20 claims
- 1859US2013252645A1Wireless messaging systems and methodsHELFERICH RICHARD J·Filed 2013·Application pending·0 cites
- 1958US2015215750A1Presence information transmitted in wireless messaging systems and methodsHELFERICH RICHARD J·Filed 2015·Application pending·0 cites
- 2058US2015215752A1Presence information transmitted in wireless messaging systems and methodsHELFERICH RICHARD J·Filed 2015·Application pending·0 cites
- 2157US9071953B2Systems and methods providing advertisements to a cell phone based on location and external temperatureHELFERICH RICHARD J·Filed 2010·Granted Jun 30, 2015·0 cites·6 claims
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