John L. MacFarlane — 15 Patents at Sonos

John L. MacFarlane has been granted 15 US patents while listed as an inventor at Sonos. The first was granted in 1984 and the most recent in August 2023. John L. MacFarlane ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list John L. MacFarlane in Montecito, CA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11733768	Power control based on packet type	Steve F. Holmgren	2023-08-22	$2,426,000
11157069	Power control based on packet type	Steve F. Holmgren	2021-10-26
10372200	Power decrease based on packet type	Steve F. Holmgren	2019-08-06
10303240	Power decrease based on packet type	Steve F. Holmgren	2019-05-28	$1,826,000
10254822	Power decrease and increase based on packet type	Steve F. Holmgren	2019-04-09	$6,499,000
10228754	Power decrease based on packet type	Steve F. Holmgren	2019-03-12	$3,365,000
10126811	Power increase based on packet type	Steve F. Holmgren	2018-11-13	$2,458,000
10061379	Power increase based on packet type	Steve F. Holmgren	2018-08-28
9252721	Power decrease based on packet type	Steve F. Holmgren	2016-02-02
9246442	Power increase based on packet type	Steve F. Holmgren	2016-01-26
8843224	Method and system for controlling amplifiers	Steve F. Holmgren	2014-09-23
8024055	Method and system for controlling amplifiers	Steve F. Holmgren	2011-09-20
7792311	Method and apparatus for automatically enabling subwoofer channel audio based on detection of subwoofer device	Steve F. Holmgren, Jonathan P. Lang, L. Dexter Bates	2010-09-07
D302285	Golf club head	—	1989-07-18
4463816	Load cell assembly for conveyor weighing of bulk material	—	1984-08-07

John L. MacFarlane — 15 Patents

Issued Patents All Time

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