John MacDonald has been granted 9 US patents while listed as an inventor at Aira . The first was granted in 1989 and the most recent in July 2025. John MacDonald ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John MacDonald in Los Angeles, CA, US.
Patents per Year Patents granted per year, 1989 to 2025 Bar chart with a peak of 2 patents in 1991. peak 2 1989: 1 patents 1989 1991: 2 patents 1991 1994: 1 patents 1994 2021: 1 patents 2021 2022: 2 patents 2022 2023: 1 patents 2023 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
12360789 Multi-protocol file transfer modeling — 2025-07-15
11750030 Coil driving in wireless charging system William Paul Abajian , Jules Marie Xavier Laffitte , Viswajit Natarajan , Christopher William Sarli , Lixin Shi +3 more 2023-09-05
11336116 High precision signal measurement in wireless charging system William Paul Abajian , Jules Marie Xavier Laffitte , Viswajit Natarajan , Lixin Shi , Jake Lee Vander Ploeg +1 more 2022-05-17
11336117 Communication demodulation in wireless charging system William Paul Abajian , Jules Marie Xavier Laffitte , Lixin Shi , Jake Lee Vander Ploeg , Xiaoping Zhu 2022-05-17
11031817 Coil selection in multi-coil wireless charging system William Paul Abajian , Jules Marie Xavier Laffitte , Viswajit Natarajan , Lixin Shi , Xiaoping Zhu 2021-06-08
5355411 Document security system — 1994-10-11
5064043 Vision system — 1991-11-12
5049723 System for detecting penetration of a blank — 1991-09-17
4797831 Apparatus for synchronizing cylinder position in a multiple cylinder hydraulic press brake Paul A. Dressing 1989-01-10
