Ralph A. Chappa — 74 Patents at Surmodics

Ralph A. Chappa has been granted 74 US patents while listed as an inventor at Surmodics. The first was granted in 2001 and the most recent in December 2025. Ralph A. Chappa ranks #26,215 of 4,157,543 US inventors in our database (top 0.63%). Patent records list Ralph A. Chappa in Ham Lake, MN, US.

Issued Patents All Time

Showing 1–25 of 74 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12496612	Coating application system and methods for coating rotatable medical devices	—	2025-12-16
11819590	Apparatus and methods for coating medical devices	Michael Militello, Alvin A. Kucera	2023-11-21	$6,775,000
11628466	Apparatus and methods for coating medical devices	Michael Militello	2023-04-18	$4,260,000
11478815	Coating systems for medical devices	Michael Militello	2022-10-25	$3,650,000
11318204	Composition for intravascular delivery of therapeutic composition	—	2022-05-03	$3,550,000
11090469	Method and apparatus for coating balloon catheters	Mark F. Carlson	2021-08-17	$3,135,000
11090468	Apparatus and methods for coating medical devices	Mark F. Carlson	2021-08-17	$3,135,000
11027049	Devices and methods for delivery of bioactive agents	Andrew G. Bach	2021-06-08	$6,219,000
10596355	Catheter assembly	—	2020-03-24	$4,599,000
10507309	Apparatus and methods for coating medical devices	Andrew G. Bach, Mark MacGregor	2019-12-17
10238844	Method and apparatus for coating balloon catheters	Mark F. Carlson	2019-03-26	$5,281,000
10124088	Lubricious medical device elements	Nathan A. Lockwood, Joseph Schmidt McGonigle	2018-11-13	$6,446,000
10099041	Apparatus and methods for coating medical devices	Andrew G. Bach, Mark MacGregor	2018-10-16	$3,523,000
10058634	Devices and methods for delivery of bioactive agents	Andrew G. Bach	2018-08-28	$8,099,000
9827401	Apparatus and methods for coating medical devices	Andrew G. Bach, Mark MacGregor	2017-11-28	$2,753,000
9795720	Coatings with crystallized active agent(s) and methods	Kimberly K. M. Lindsoe	2017-10-24	$2,742,000
9649413	Coatings with crystallized active agent(s) and methods	Kimberly K. M. Lindsoe	2017-05-16	$2,093,000
9623215	Apparatus and methods for coating medical devices	Andrew G. Bach, Mark MacGregor	2017-04-18	$2,640,000
9579491	Method and apparatus for coating balloon catheters	Mark F. Carlson	2017-02-28	$2,864,000
RE46251	Advanced coating apparatus and method	Mark F. Carlson	2016-12-27
9427501	Coatings with crystallized active agent(s) and methods	Kimberly K. M. Lindsoe	2016-08-30	$3,369,000
9364349	Coating application system with shaped mandrel	James H. Arps	2016-06-14	$2,986,000
9308355	Apparatus and methods for coating medical devices	Andrew G. Bach, Mark MacGregor	2016-04-12
9295820	Method and apparatus for coating balloon catheters	Mark F. Carlson	2016-03-29	$1,944,000
9283350	Coating apparatus and methods	Timothy M. Kloke	2016-03-15	$1,841,000

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Ralph A. Chappa — 74 Patents

Issued Patents All Time

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