David Nelson — 12 Patents at Certainteed

David Nelson has been granted 12 US patents while listed as an inventor at Certainteed. The first was granted in 1995 and the most recent in October 2025. David Nelson ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list David Nelson in Schreiber, ON, CA.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date
12440661	Medical fluid transfer device	—	2025-10-14
11293793	Blood flow measurement apparatus and method	Saeed Iftakhar Latif	2022-04-05
11149425	Ventilated toilet	—	2021-10-19
9579832	Method of shortening the time to compression mold a roofing shingle or tile and apparatus for facilitating same	Thomas Kevin MacKinnon, Nolan Loy Son, Trevor Reeve	2017-02-28
8574481	Process and apparatus for molding a shingle, for cooling a shingle, for applying a curvature thereto and carrier plate for facilitating the process	Thomas Kevin MacKinnon, Douglas H. Wylie, William Arno Koegler	2013-11-05
8128857	Method of shortening the time to compression mold a roofing shingle or tile and apparatus for facilitating same	Thomas Kevin MacKinnon, Nolan Loy Son, Trevor Reeve	2012-03-06
8038157	Skate strip-blade holder	Douglas H. Wylie	2011-10-18
7758053	Skate strip-blade holder	Douglas H. Wylie	2010-07-20
7528722	System and method for notifying a package recipient of package arrival	—	2009-05-05
7267651	Method and apparatus for blood flow measurement using millimeter wave band	—	2007-09-11
6991693	Screen cloth insertion apparatus and method	Douglas H. Wylie, John A. Walker, Saj Ravindran	2006-01-31
D355874	Baby stroller	—	1995-02-28

David Nelson — 12 Patents

Issued Patents All Time

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