Inventor · disambiguated record
Darrell Duffy
Also filed as: DUFFY DARRELL · DUFFY DARRELL J
12 granted patents·758 citations·filing 1987–2010
94Inventor score
Top patents by PatentIndex Score
12 records- 0196US4823122ALocal area network for digital data processing systemDIGITAL EQUIPMENT CORP·Filed 1987·Granted Apr 18, 1989·223 cites·6 claims
- 0291US7103016B1System and method for providing transaction control on a data networkECHELON CORP·Filed 2000·Granted Sep 5, 2006·84 cites·8 claims
- 0385US5058108ALocal area network for digital data processing systemDIGITAL EQUIPMENT CORP·Filed 1989·Granted Oct 15, 1991·82 cites·32 claims
- 0484US6862430B1System and method for selecting repeatersECHELON CORP·Filed 2000·Granted Mar 1, 2005·31 cites·13 claims
- 0583US7796942B2System method for selecting repeatersECHELON CORP·Filed 2007·Granted Sep 14, 2010·8 cites·12 claims
- 0681US4975905AMessage transmission control arrangement for node in local area networkDIGITAL EQUIPMENT CORP·Filed 1989·Granted Dec 4, 1990·63 cites·11 claims
- 0778US4975904ALocal area network for digital data processing system including timer-regulated message transfer arrangementDIGITAL EQUIPMENT CORP·Filed 1989·Granted Dec 4, 1990·57 cites·22 claims
- 0876US5640506AIntegrity protection for parity calculation for raid parity cacheMTI TECH CORP·Filed 1995·Granted Jun 17, 1997·78 cites·6 claims
- 0976US5621734ALocal area network with server and virtual circuitsDIGITAL EQUIPMENT CORP·Filed 1994·Granted Apr 15, 1997·68 cites·13 claims
- 1075US8340572B2System and method for selecting repeatersDUFFY DARRELL·Filed 2010·Granted Dec 25, 2012·4 cites·12 claims
- 1172US5734659AComputer network having a virtual circuit message carrying a plurality of session messagesDIGITAL EQUIPMENT CORP·Filed 1994·Granted Mar 31, 1998·52 cites·9 claims
- 1268US7277672B2System and method for selecting repeatersECHELON CORP·Filed 2004·Granted Oct 2, 2007·8 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Darrell Duffy files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →