Michael Wilford — 22 Patents at Packaging Systems

Michael Wilford has been granted 22 US patents while listed as an inventor at Packaging Systems. The first was granted in 1992 and the most recent in August 2025. Michael Wilford ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Michael Wilford in Chicago, IL, US.

Patents per Year

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D1089666	Cervical wrap	—	2025-08-19
D1089667	Lumbar wrap	—	2025-08-19
D1089665	Shoulder wrap	—	2025-08-19
11850183	Head wrap	—	2023-12-26
10806627	Therapeutic wrap	David Slack	2020-10-20
9962285	Therapeutic wrap	David Slack	2018-05-08
9931240	Therapeutic Wrap	David Slack	2018-04-03
9510994	Therapeutic wrap with pattern zone	Fernando A. Ubidia	2016-12-06
9132057	Therapeutic wrap	David Slack	2015-09-15
8979915	Separable system for applying compression and thermal treatment	Aaron M. Stein, John F. Lewis, Fernando A. Ubidia	2015-03-17
8460224	Therapeutic compression apparatus	John C. Crane	2013-06-11
7543723	Air vented liquid valve	Mark A. Smith	2009-06-09
7404542	Valve for a flexible container	Mark A. Smith	2008-07-29
6715644	Flexible plastic container	—	2004-04-06
6200300	Hangable container	Paul F. Petriekis	2001-03-13
6168074	End opening bulk material box	Paul F. Petriekis	2001-01-02	$4,577,000
6116467	Beverage dispensing system	Paul F. Petriekis	2000-09-12	$4,759,000
6073807	Flexible container with evacuation form insert	Christopher C. Rutter, Lamar Spalding	2000-06-13	$4,191,000
5639015	End opening bulk material box	Paul F. Petriekis	1997-06-17
5427306	Reinforced bulk material box	Paul F. Petriekis, Robert A. VanBeek, James Zavodsky	1995-06-27	$2,690,000
5419485	End opening reinforced bulk material box	Paul F. Petriekis	1995-05-30	$2,551,000
5143278	Reinforced bulk material box	Paul F. Petriekis, James Zavodsky	1992-09-01	$2,214,000

Michael Wilford — 22 Patents

Patents per Year

Issued Patents All Time

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