Inventor
JOHNSTON DAVID E
US33 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSTON DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FREUDENBERG NOK GP
6 patentsUS6729624B1May 4, 2004
Radial shaft seal
FREUDENBERG NOK GP79 citations98
US6409177B1Jun 25, 2002
Rotary shaft seal
FREUDENBERG NOK GP60 citations96
US5921555AJul 13, 1999
Uni-directional seal for use on a shaft
FREUDENBERG NOK GP87 citations96
US5791658AAug 11, 1998
Seal design with bi-directional pumping
FREUDENBERG NOK GP90 citations96
US6428013B1Aug 6, 2002
Reverse seal
FREUDENBERG NOK GP80 citations94
US6073933AJun 13, 2000
Load bearing washer and dirt excluder
FREUDENBERG NOK GP28 citations92
ADOBE SYSTEMS INC
6 patentsUS8027743B1Sep 27, 2011
Adaptive noise reduction
ADOBE SYSTEMS INC36 citations92
US7640069B1Dec 29, 2009
Editing audio directly in frequency space
ADOBE SYSTEMS INC38 citations92
US7548791B1Jun 16, 2009
Graphically displaying audio pan or phase information
ADOBE SYSTEMS INC34 citations92
US7899565B1Mar 1, 2011
Graphically displaying audio pan or phase information
ADOBE SYSTEMS INC11 citations84
US8037413B2Oct 11, 2011
Brush tool for audio editing
ADOBE SYSTEMS INC6 citations63
US7610110B1Oct 27, 2009
Graphically displaying stereo phase information
ADOBE SYSTEMS INC6 citations63
ANGUS GEORGE CO LTD
6 patentsUS4348031ASep 7, 1982
Rotary fluid seals with floating sealing rings
ANGUS GEORGE CO LTD46 citations92
US4815749AMar 28, 1989
Shaft and like oil seals
ANGUS GEORGE CO LTD23 citations82
US4519616AMay 28, 1985
Shaft seal
ANGUS GEORGE CO LTD22 citations82
US4799693AJan 24, 1989
Face seals with liquid pulsation pumping feature
ANGUS GEORGE CO LTD7 citations73
US4462600AJul 31, 1984
Rotary fluid seals
ANGUS GEORGE CO LTD10 citations73
US4348030ASep 7, 1982
Toggle-action face seal for relatively rotatable members
ANGUS GEORGE CO LTD3 citations62
JOHNSTON DAVID E
5 patentsUS8194884B1Jun 5, 2012
Aligning time variable multichannel audio
JOHNSTON DAVID E7 citations83
US5123661AJun 23, 1992
Fluid sealing structure
JOHNSTON DAVID E16 citations66
US8532802B1Sep 10, 2013
Graphic phase shifter
JOHNSTON DAVID E4 citations62
US8077815B1Dec 13, 2011
System and method for processing multi-channel digital audio signals
JOHNSTON DAVID E5 citations62
US9377990B2Jun 28, 2016
Image edited audio data
JOHNSTON DAVID E1 citations51
FREUDENBERG CARL FA
3 patentsMICROSOFT TECHNOLOGY LICENSING LLC
3 patentsUS9900722B2Feb 20, 2018
HRTF personalization based on anthropometric features
MICROSOFT TECHNOLOGY LICENSING LLC21 citations92
US10313818B2Jun 4, 2019
HRTF personalization based on anthropometric features
MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US10284992B2May 7, 2019
HRTF personalization based on anthropometric features
MICROSOFT TECHNOLOGY LICENSING LLC0 citations50