Inventor · disambiguated record
William S. Duckwall
Also filed as: DUCKWALL WILLIAM · DUCKWALL WILLIAM S
22 granted patents·1 pending application·1,178 citations·filing 1994–2011
97Inventor score
Top patents by PatentIndex Score
23 records- 0192US6314461B2Method and apparatus for the addition and removal of nodes from a common interconnectAPPLE COMPUTER·Filed 2000·Granted Nov 6, 2001·59 cites·1 claims
- 0290US5495481AMethod and apparatus for accelerating arbitration in a serial bus by detection of acknowledge packetsAPPLE COMPUTER·Filed 1994·Granted Feb 27, 1996·143 cites·15 claims
- 0389US5875301AMethod and apparatus for the addition and removal of nodes from a common interconnectAPPLE COMPUTER·Filed 1997·Granted Feb 23, 1999·141 cites·7 claims
- 0487US5802057AFly-by serial bus arbitrationAPPLE COMPUTER·Filed 1995·Granted Sep 1, 1998·113 cites·14 claims
- 0585US6385679B1Fly-by serial bus arbitrationAPPLE COMPUTER·Filed 1998·Granted May 7, 2002·93 cites·18 claims
- 0685US5784648AToken style arbitration on a serial bus by passing an unrequested bus grand signal and returning the token by a token refusal signalAPPLE COMPUTER·Filed 1995·Granted Jul 21, 1998·160 cites·19 claims
- 0784US5802048AMethod and apparatus for accelerating arbitration in a serial bus by detection of acknowledge packetsAPPLE COMPUTER·Filed 1996·Granted Sep 1, 1998·97 cites·13 claims
- 0883US5935208AIncremental bus reconfiguration without bus resetsAPPLE COMPUTER·Filed 1998·Granted Aug 10, 1999·98 cites·3 claims
- 0980US6199119B1Method and apparatus for the addition and removal of nodes from a common interconnectAPPLE COMPUTER·Filed 1999·Granted Mar 6, 2001·75 cites·11 claims
- 1076US6457086B1Method and apparatus for accelerating detection of serial bus device speed signalsAPPLE COMPUTERS INC·Filed 1999·Granted Sep 24, 2002·56 cites·16 claims
- 1175US6266334B1Method for optimizing acknowledge packet rateZAYANTE INC·Filed 1998·Granted Jul 24, 2001·96 cites·11 claims
- 1272US6904044B2Fly-by serial bus arbitrationAPPLE COMPUTER·Filed 2002·Granted Jun 7, 2005·9 cites·72 claims
- 1371US6954787B2Method and apparatus for the addition and removal of nodes from a common interconnectAPPLE COMPUTER·Filed 2000·Granted Oct 11, 2005·10 cites·3 claims
- 1467US6839791B2Method and apparatus for accelerating detection of serial bus device speed signalsAPPLE COMPUTER·Filed 2002·Granted Jan 4, 2005·9 cites·6 claims
- 1565US6721330B2Fly-by serial bus arbitrationAPPLE COMPUTER·Filed 2002·Granted Apr 13, 2004·5 cites·30 claims
- 1665US6711173B2Fly-by serial bus arbitrationAPPLE COMPUTER·Filed 2002·Granted Mar 23, 2004·5 cites·37 claims
- 1760US6763414B2Fly-by serial bus arbitrationAPPLE COMPUTER·Filed 2002·Granted Jul 13, 2004·3 cites·17 claims
- 1857US8155112B2Fly-by serial bus arbitrationDUCKWALL WILLIAM S·Filed 2004·Granted Apr 10, 2012·3 cites·12 claims
- 1954US7995606B1Fly-by and ack-accelerated arbitration for broadcast packetsAPPLE INC·Filed 2003·Granted Aug 9, 2011·3 cites·67 claims
- 2050US8407330B2Method and apparatus for the addition and removal of nodes from a common interconnectDUCKWALL WILLIAM S·Filed 2008·Granted Mar 26, 2013·0 cites·20 claims
- 2150US7096302B2Method and apparatus for accelerating detection of serial bus device speed signalsAPPLE COMPUTER·Filed 2004·Granted Aug 22, 2006·0 cites·5 claims
- 2249US7334030B2Method and apparatus for the addition and removal of nodes from a common interconnectAPPLE INC·Filed 2005·Granted Feb 19, 2008·0 cites·9 claims
- 2346US2011292944A1Fly-by and ack-accelerated arbitration for broadcast packetsHAUCK JERROLD V·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →