David Haldane has been granted 5 US patents while listed as an inventor at Innovatech Engineering . The first was granted in 2015 and the most recent in July 2025. David Haldane ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Haldane in Vallejo, CA, US.
Patents per Year Patents granted per year, 2015 to 2025 Bar chart with a peak of 2 patents in 2025. peak 2 2015: 1 patents 2015 2017: 1 patents 2017 2018: 1 patents 2018 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date
D1083114 Physiological monitoring device Jeffrey Joseph Abercrombie, II , James Kihyun Lee , Thomas Burnell Reeve, III 2025-07-08
D1063079 Physiological monitoring device Jeffrey Joseph Abercrombie, II , James Kihyun Lee , Thomas Burnell Reeve, III 2025-02-18
9902123 Method and apparatus for producing large uniform thickness nanomaterial sheets Philip James Hipol 2018-02-27
9816230 Formation of hydrated nanocellulose sheets with or without a binder for the use as a dermatological treatment Joshua Kearney , Jesyca Turner , Raghuram Dhumpa 2017-11-14
9022025 Integrated diving snorkel and regulator and methods of use Philip James Hipol , Rick Kearney 2015-05-05