Michael G. Littrell has been granted 7 US patents while listed as an inventor at Paxis . The first was granted in 2019 and the most recent in July 2025. Michael G. Littrell ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Michael G. Littrell in Crystal Lake, IL, US.
Patents per Year Patents granted per year, 2019 to 2025 Bar chart with a peak of 2 patents in 2020. peak 2 2019: 1 patents 2019 2020: 2 patents 2020 2021: 1 patents 2021 2022: 1 patents 2022 2024: 1 patents 2024 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date
12358222 Additive manufacturing apparatus, system, and method Frederick Knecht 2025-07-15
11969937 Additive manufacturing apparatus, system, and method Frederick Knecht 2024-04-30
11390026 Additive manufacturing apparatus and system Frederick Knecht 2022-07-19
10899122 Additive manufacturing apparatus, system, and method Frederick Knecht 2021-01-26
10717263 Additive manufacturing apparatus, system, and method Frederick Knecht 2020-07-21
10618270 Additive manufacturing apparatus, system, and method Frederick Knecht 2020-04-14
10343390 Additive manufacturing apparatus, system, and method Frederick Knecht 2019-07-09