Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Daw — 16 Patents

HIHvac Inventors/Systemation: 12 patents #1 of 4Top 25%
Port St. Lucie, FL: #9 of 255 inventorsTop 4%
Florida: #3,136 of 67,251 inventorsTop 5%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
David E. Daw has been granted 16 US patents while listed as an inventor at Hvac Inventors/Systemation. The first was granted in 1985 and the most recent in March 2025. David E. Daw ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list David E. Daw in Port St. Lucie, FL, US.

Patents per Year

Patents granted per year, 1985 to 2025Bar chart with a peak of 4 patents in 2015.peak 41985: 1 patents19852004: 1 patents2006: 1 patents20062009: 1 patents2014: 1 patents20142015: 4 patents2016: 1 patents20162017: 1 patents2018: 2 patents20182022: 1 patents2023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12257618 Apparatus and method for closing duct seams and for inserting angle plates and closing duct seams John T. Ehling 2025-03-25
11697147 Apparatus and method for forming duct flanges and duct work John T. Ehling 2023-07-11
11213878 Apparatus and method for forming duct flanges and duct work John T. Ehling 2022-01-04
9937592 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2018-04-10
9925627 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2018-03-27
9545695 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2017-01-17
9377213 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2016-06-28
9157653 Apparatus and method for inserting angle plates and closing duct seams Cody B. Umberger, Michael C. Borwig 2015-10-13
9151513 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2015-10-06
9027376 Apparatus and method for inserting angle plates and closing duct seams Cody B. Umberger, Michael C. Borwig 2015-05-12
8959755 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2015-02-24
8875388 Apparatus and method for placement of angle plates in transverse duct flanges Cody B. Umberger 2014-11-04
7562800 Screw gun William V. Goodhue, David Mathieu 2009-07-21
6988303 Screw gun William V. Goodhue, David Mathieu 2006-01-24
6813977 Screw gun William V. Goodhue, David Mathieu 2004-11-09
4558892 Duct assembly system Arthur F. Vlastnik 1985-12-17