David J. Duquette — 10 Patents at Semitool

David J. Duquette has been granted 10 US patents while listed as an inventor at Semitool. The first was granted in 1997 and the most recent in January 2025. David J. Duquette ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David J. Duquette in Fairhaven, MA, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12188194	Zero-ascend omnispecies (ZAO) prefabricated fish passage attraction system	Katherine Leighton, Luke E. Graham, Vincent E. Bryan, III	2025-01-07
11566392	Scaled hydropower	Katherine Leighton, Chad W. Cox, Mark Graeser	2023-01-31
11371481	Hydrokinetic energy device	Kimbal Hall	2022-06-28
10626569	Modular variable-head hydroelectric energy conversion system	Chad W. Cox	2020-04-21
6848975	Electrochemical planarization of metal feature surfaces	Lisa J. Loparco	2005-02-01
6486533	Metallization structures for microelectronic applications and process for forming the structures	Ahila Krishnamoorthy, Shyam P. Murarka	2002-11-26	$3,387,000
6368966	Metallization structures for microelectronic applications and process for forming the structures	Ahila Krishnamoorthy, Shyam P. Murarka	2002-04-09	$3,081,000
6319387	Copper alloy electroplating bath for microelectronic applications	Ahila Krishnamoorthy, Shyam P. Murarka	2001-11-20	$1,556,000
6238594	Intumescent material	Kenneth A. Turpin, Monroe William Shumate, Robert Hamilton, Walter A. Johnson, Steven N. Volenec +1 more	2001-05-29
5637185	Systems for performing chemical mechanical planarization and process for conducting same	Shyam P. Murarka, Ronald J. Gutmann, Joseph M. Steigerwald	1997-06-10

David J. Duquette — 10 Patents

Issued Patents All Time

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