David Westerhoff — 27 Patents at Roku

David Westerhoff has been granted 27 US patents while listed as an inventor at Roku. The first was granted in 1995 and the most recent in December 2025. David Westerhoff ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list David Westerhoff in Pleasanton, CA, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12512699	Detection of downstream smart devices	Gregory Mack Garner, David Stern, Dustin J. Verhoeve	2025-12-30
12425072	Proving physical possession of internet-of-things (IOT) devices	Gregory Mack Garner, David Stern	2025-09-23
12219442	Power monitoring of devices	Gregory Mack Garner, David Stern, Anthony Wood	2025-02-04
12126859	Server-side streaming content stitching	Wim Michiels	2024-10-22	$31,794,000
12027854	Detection of downstream smart devices	Gregory Mack Garner, David Stern, Dustin J. Verhoeve	2024-07-02	$40,107,000
11653187	Power monitoring of devices	Gregory Mack Garner, David Stern, Anthony Wood	2023-05-16	$35,065,000
11515726	Detection of downstream smart devices	Gregory Mack Garner, David Stern, Dustin J. Verhoeve	2022-11-29
11463130	Proving physical possession of internet-of-things (IoT) devices	Gregory Mack Garner, David Stern	2022-10-04
11388474	Server-side scene change content stitching	Wim Michiels	2022-07-12
11140034	Automatic determination of display device functionality	Ilya Asnis, Daniel M. Daly, Gregory Mack Garner, Scott Edward De Haas, Anthony Wood	2021-10-05
11128914	Client side stitching of content into a multimedia stream	Wim Michiels	2021-09-21
10524017	Dynamic generation of trick mode data	Timothy John Granger	2019-12-31
10447537	Automatic determination of display device functionality	Ilya Asnis, Daniel M. Daly, Gregory Mack Garner, Scott Edward De Haas, Anthony Wood	2019-10-15
9967634	Crowd sourced dynamic generation of trick mode data	Timothy John Granger	2018-05-08	$45,265,000
9705947	Method and apparatus for customized provisioning of on-line application channels	Anthony Wood, David Stern, Bill Ataras, Mark Goodwin, Aaron Graham +2 more	2017-07-11
9681198	Dynamic generation of trick mode data	Timothy John Granger	2017-06-13
9420338	Apparatus and method for providing power on and power off for a display device	Ali Vassigh, Jeff Anderson	2016-08-16
9258513	Method and system for reconfiguring a selection system based on layers of categories descriptive of recordable events	Mark Goodwin, Lynda Kitlyn Seto	2016-02-09
9143814	Method and system for adaptive transcoding and transrating in a video network	Andrew Wolfe	2015-09-22
8977721	Method and apparatus for dynamic prioritization of content listings	Mark Goodwin, Thomas C. Marksworth	2015-03-10
8788578	Method and apparatus for customized provisioning of on-line application channels	Anthony Wood, David Stern, Bill Ataras, Mark Goodwin, Aaron Graham +2 more	2014-07-22
7765479	Method and system for reconfiguring a selection system based on layers of categories descriptive of recordable events	Mark Goodwin, Lynda Kitlyn Seto	2010-07-27	$74,462,000
7555006	Method and system for adaptive transcoding and transrating in a video network	Andrew Wolfe	2009-06-30	$188,959,000
7522816	Method and apparatus for navigating content in a personal video recorder	Richard Bullwinkle, Mark Goodwin, Adam Briggs	2009-04-21	$177,265,000
7290211	Method and system for reconfiguring a selection system based on layers of categories descriptive of recordable events	Mark Goodwin, Lynda Kitlyn Seto	2007-10-30

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David Westerhoff — 27 Patents

Issued Patents All Time

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