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USPTO Patent Rankings Data through Dec 31, 2025
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David Brewer — 13 Patents

EMEmulex: 10 patents #3 of 79Top 4%
EMEmulex Design And Manufacturing: 2 patents #53 of 142Top 40%
Sioux City, IA: #2 of 187 inventorsTop 2%
Iowa: #1,082 of 15,303 inventorsTop 8%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
David Brewer has been granted 13 US patents while listed as an inventor at Emulex. The first was granted in 1989 and the most recent in September 2007. David Brewer ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list David Brewer in Sioux City, IA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7274674 Loop network hub using loop initialization insertion Karl M. Henson, Hossein Hashemi, Gregory John Scherer, David Baldwin 2007-09-25 $10,099,000
7035206 Automatic isolation in loops Karl M. Henson, Hossein Hashemi, David Baldwin 2006-04-25 $11,494,000
6289002 Automatic isolation in loops Karl M. Henson, Hossein Hashemi, David Baldwin 2001-09-11
6282188 Scalable hub Hossein Hashemi, Karl M. Henson 2001-08-28 $50,202,000
6226269 Elimination of invalid data in loop network David Baldwin, Karl M. Henson 2001-05-01 $53,065,000
6215775 Node insertion and removal in a loop network David Baldwin, Karl M. Henson 2001-04-10 $52,883,000
6201787 Automatic loop segment failure isolation David Baldwin 2001-03-13 $57,134,000
6188668 Automatic isolation in loops Karl M. Henson, Hossein Hashemi, David Baldwin 2001-02-13 $104,393,000
6167026 Programmable error control circuit Hossein Hashemi, Karl M. Henson 2000-12-26 $189,183,000
6157652 Hub port with constant phase Karl M. Henson, Hossein Hashemi 2000-12-05 $77,882,000
6101166 Automatic loop segment failure isolation David Baldwin 2000-08-08 $71,165,000
6064679 Hub port without jitter transfer Hossein Hashemi, Karl M. Henson 2000-05-16 $51,934,000
D299701 Pocket size digital scale Hannah S. Brewer 1989-02-07