William Rickman has been granted 12 US patents while listed as an inventor at Global Algae Technology . The first was granted in 1988 and the most recent in September 2025. William Rickman ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list William Rickman in Lebanon, TN, US.
Patents per Year Patents granted per year, 1988 to 2025 Bar chart with a peak of 2 patents in 1990. peak 2 1988: 1 patents 1988 1990: 2 patents 1990 2004: 1 patents 2004 2019: 2 patents 2019 2021: 1 patents 2021 2023: 2 patents 2023 2024: 1 patents 2024 2025: 2 patents 2025
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12426556 Systems and methods for algae cultivation using direct air capture David A. Hazlebeck , Paul Hazlebeck 2025-09-30
12371654 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck 2025-07-29
11952567 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck 2024-04-09
11767501 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck 2023-09-26
11680242 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck 2023-06-20
10934520 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck 2021-03-02
10501721 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck , Rodney Corpuz 2019-12-10
10351815 Biological and algae harvesting and cultivation systems and methods David A. Hazlebeck 2019-07-16
6709602 Process for hydrothermal treatment of materials Michael H. Spritzer , Niles W. Johanson , Glenn T. Hong 2004-03-23
4973464 Method for the removal of cyanides from spent potlinings from aluminum manufacture — 1990-11-27
$6,301,000
4946026 Residue removal system for a conveyor assembly — 1990-08-07
$5,525,000
4763585 Method for the combustion of spent potlinings from the manufacture of aluminum James L. Kaae , Bernard W. Gamson 1988-08-16
$9,029,000