Inventor
HILL NICHOLAS PATRICK ROLAND
GB26 patents
⚠️ This page may combine multiple inventors who share the name “HILL NICHOLAS PATRICK ROLAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HILL NICHOLAS PATRICK ROLAND
9 patentsUS8240085B2Aug 14, 2012
RFID pet door
HILL NICHOLAS PATRICK ROLAND47 citations97
US8471642B2Jun 25, 2013
Resonant circuits
HILL NICHOLAS PATRICK ROLAND30 citations92
US9013268B2Apr 21, 2015
RFID reader
HILL NICHOLAS PATRICK ROLAND5 citations83
US8539715B2Sep 24, 2013
RFID pet door
HILL NICHOLAS PATRICK ROLAND10 citations83
US8576021B2Nov 5, 2013
Tuned resonant circuits
HILL NICHOLAS PATRICK ROLAND5 citations72
US9030297B2May 12, 2015
RFID tags
HILL NICHOLAS PATRICK ROLAND3 citations62
US8193916B2Jun 5, 2012
RFID transmitter
HILL NICHOLAS PATRICK ROLAND1 citations51
US8085133B2Dec 27, 2011
RFID interrogator
HILL NICHOLAS PATRICK ROLAND1 citations51
US9715777B2Jul 25, 2017
RFID pet door
HILL NICHOLAS PATRICK ROLAND0 citations41
NEW TRANSDUCERS LTD
7 patentsUS7376523B2May 20, 2008
Contact sensitive device
NEW TRANSDUCERS LTD59 citations96
US7184898B2Feb 27, 2007
Contact sensitive device
NEW TRANSDUCERS LTD63 citations96
US6871149B2Mar 22, 2005
Contact sensitive device
NEW TRANSDUCERS LTD72 citations96
US6522760B2Feb 18, 2003
Active acoustic devices
NEW TRANSDUCERS LTD73 citations96
US6839444B2Jan 4, 2005
Loudspeakers
NEW TRANSDUCERS LTD23 citations91
US7570771B2Aug 4, 2009
Loudspeakers
NEW TRANSDUCERS LTD36 citations89
US7564988B2Jul 21, 2009
Audio apparatus
NEW TRANSDUCERS LTD32 citations87
SUREFLAP LTD
7 patentsUS10849312B2Dec 1, 2020
Pet feeders
SUREFLAP LTD7 citations84
USD743113SNov 10, 2015
Pet feeder
SUREFLAP LTD7 citations84
USD719705SDec 16, 2014
Pet feeder
SUREFLAP LTD8 citations84
USD792033SJul 11, 2017
Feeder for animals
SUREFLAP LTD5 citations66
US12575541B2Mar 17, 2026
Pet feeders
SUREFLAP LTD0 citations62
US12575542B2Mar 17, 2026
Pet feeders
SUREFLAP LTD0 citations62
US11464205B2Oct 11, 2022
Pet monitoring device
SUREFLAP LTD0 citations52