Daniel P. Walsh — 22 Patents at Polyonics

Daniel P. Walsh has been granted 22 US patents while listed as an inventor at Polyonics. The first was granted in 1988 and the most recent in November 2025. Daniel P. Walsh ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Daniel P. Walsh in Danvers, MA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12478949	Composite particles with non-porous hybrid organic-inorganic material	Mingxu Xu, Nicole L. Lawrence	2025-11-25
12201975	Device including a hydrophilic, non-ionic coating for size exclusion chromatography	Mathew H. DeLano, Matthew A. Lauber, Andrew Wyatt Schmudlach, Yeliz Tunc Sarisozen, Jonathan Belanger +3 more	2025-01-21
11577179	Chromatographic columns and separation devices comprising a superficially porous material; and use thereof for supercritical fluid chromatography and other chromatography	Kevin D. Wyndham, Jacob N. Fairchild, Pamela C. Iraneta, Stephen J. Shiner, Darryl W. Brousmiche	2023-02-14	$59,263,000
11235308	Chromatographic compositions	Matthew A. Lauber	2022-02-01	$35,433,000
10857516	Chromatographic compositions	Matthew A. Lauber	2020-12-08	$51,287,000
10839597	Apparatus and method for multi-frequency vertex shading	John G. Gierach, John H. Feit, Devan Burke	2020-11-17	$36,756,000
10800799	Methods, compositions, devices, and kits, for performing phospholipid separation	Pamela C. Iraneta, Thomas H. Walter, Xin Zhang, Kevin D. Wyndham, Raymond P. Fisk	2020-10-13	$21,822,000
10092859	Nanocomposites and their application as monolith columns	John E. O'Gara, Julia Ding	2018-10-09	$20,108,000
9951092	Methods, compositions, devices, and kits for performing phospholipid separation	Pamela C. Iraneta, Thomas H. Walter, Xin Zhang, Kevin D. Wyndham, Raymond P. Fisk	2018-04-24	$23,276,000
8091904	Diver's station and umbilical cart	Michael A. Zinszer, TERRY DALLE JOHNSON	2012-01-10
6311449	"Securing decks to houses with ""L""-shaped brackets"	Michael Morse	2001-11-06
5478462	Process for forming polyimide-metal laminates	—	1995-12-26
5322976	Process for forming polyimide-metal laminates	Philip D. Knudsen	1994-06-21
5015517	Textured polyimide film	—	1991-05-14
4993875	Pipe sealing and anti-corrosion system	James J. Nicholson, Erwin P. Miller, Steve Bowles, John V. O'Brien	1991-02-19
4992144	Thermally stable dual metal coated laminate products made from polyimide film	Philip D. Knudsen	1991-02-12
4950553	Thermally stable dual metal coated laminate products made from polyimide film	Philip D. Knudsen	1990-08-21
4894124	Thermally stable dual metal coated laminate products made from textured polyimide film	Philip D. Knudsen	1990-01-16
4868071	Thermally stable dual metal coated laminate products made from textured polyimide film	Philip D. Knudsen	1989-09-19
4832799	Process for coating at least one surface of a polyimide sheet with copper	Philip D. Knudsen	1989-05-23
4806395	Textured polyimide film	—	1989-02-21
4725504	Metal coated laminate products made from textured polyimide film	Philip D. Knudsen	1988-02-16

Daniel P. Walsh — 22 Patents

Issued Patents All Time

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