Inventor
SJURSEN WALTER P
US25 patents
⚠️ This page may combine multiple inventors who share the name “SJURSEN WALTER P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SARNOFF CORP
13 patentsUS7403629B1Jul 22, 2008
Disposable modular hearing aid
SARNOFF CORP243 citations98
US7010137B1Mar 7, 2006
Hearing aid
SARNOFF CORP258 citations98
US7003127B1Feb 21, 2006
Hearing aid with large diaphragm microphone element including a printed circuit board
SARNOFF CORP155 citations98
US7113611B2Sep 26, 2006
Disposable modular hearing aid
SARNOFF CORP268 citations97
US5881159AMar 9, 1999
Disposable hearing aid
SARNOFF CORP141 citations97
US7221768B2May 22, 2007
Hearing aid with large diaphragm microphone element including a printed circuit board
SARNOFF CORP54 citations96
US6058198AMay 2, 2000
Battery and circuitry assembly
SARNOFF CORP77 citations96
US7092543B1Aug 15, 2006
One-size-fits-all uni-ear hearing instrument
SARNOFF CORP87 citations94
US7987977B2Aug 2, 2011
Hearing aid package
SARNOFF CORP17 citations92
US7536023B2May 19, 2009
Hearing aid
SARNOFF CORP26 citations92
US7082206B2Jul 25, 2006
Flexible hearing aid tip with an integral receiver
SARNOFF CORP51 citations92
US6292571B1Sep 18, 2001
Hearing aid digital filter
SARNOFF CORP31 citations92
US6366678B1Apr 2, 2002
Microphone assembly for hearing aid with JFET flip-chip buffer
SARNOFF CORP37 citations88
SONGBIRD HEARING INC
5 patentsUSD554756SNov 6, 2007
Hearing aid
SONGBIRD HEARING INC201 citations97
US7756285B2Jul 13, 2010
Hearing aid with tuned microphone cavity
SONGBIRD HEARING INC77 citations93
USD605769SDec 8, 2009
Hearing aid part
SONGBIRD HEARING INC11 citations80
US7756284B2Jul 13, 2010
Hearing aid circuit with integrated switch and battery
SONGBIRD HEARING INC7 citations72
USD605292SDec 1, 2009
Hearing aid earpiece
SONGBIRD HEARING INC3 citations59
SJURSEN WALTER P
4 patentsPPG IND OHIO INC
3 patentsUS5978126ANov 2, 1999
Apparatus for controlling an electrochromic device
PPG IND OHIO INC154 citations99
US5973818AOct 26, 1999
Method and apparatus for controlling an electrochromic device
PPG IND OHIO INC152 citations99
US5973819AOct 26, 1999
Method and apparatus for controlling an electrochromic device
PPG IND OHIO INC180 citations97