Peter Kerr has been granted 26 US patents while listed as an inventor at Macnaught Pty . The first was granted in 1991 and the most recent in July 2025. Peter Kerr ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Peter Kerr in Parramatta, NJ, AU.
Patents per Year Patents granted per year, 1991 to 2025 Bar chart with a peak of 4 patents in 2021. peak 4 1991: 1 patents 1991 1992: 1 patents 1993: 1 patents 1993 2000: 1 patents 2007: 2 patents 2007 2008: 3 patents 2017: 2 patents 2017 2018: 2 patents 2019: 1 patents 2019 2020: 3 patents 2021: 4 patents 2021 2023: 1 patents 2024: 3 patents 2024 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–25 of 26 patents
Patent # Title Co-Inventors Date
12345424 System, apparatus and method for efficient use of solar photovoltaic energy Grant Stepa 2025-07-01
12165862 Aperture plate assembly Edward Scott , Stephen William O'Brien 2024-12-10
12078363 System, apparatus and method for efficient use of solar photovoltaic energy Grant Stepa 2024-09-03
12000599 System, apparatus and method for efficient use of solar photovoltaic energy Grant Stepa 2024-06-04
D1004226 Litter scoop Darya Kerr 2023-11-07
11191250 Scoop with variably spaced apart bottom flanges Darya Kerr 2021-12-07
11041640 System, apparatus and method for efficient use of solar photovoltaic energy Grant Stepa 2021-06-22
D918488 Pet bowl Darya Kerr 2021-05-04
10962237 System, apparatus and method for efficient use of solar photovoltaic energy Grant Stepa 2021-03-30
10837675 Anode support and or locator device and method of assembly Jim Jensen , Juraj Gacsay , Anthea Knowles , Lee Kernich 2020-11-17
D897051 Pet bowl Darya Kerr 2020-09-22
D896564 Tray with indented canals Darya Kerr 2020-09-22
D838550 Dish Yang Tianle , Zeng Yibao 2019-01-22
D830646 Cat dish — 2018-10-09
D830010 Litter scooper stand — 2018-10-02
D805848 Tray — 2017-12-26
D801121 Dish Yang Tianle , Zeng Yibao 2017-10-31
D569480 Meter assembly Warren Preston 2008-05-20
7331484 Fluid dispensing device — 2008-02-19
D562168 Meter Damian Charles Johnson 2008-02-19
D556616 Meter Warren Preston 2007-12-04
D556008 Handle — 2007-11-27
D428903 Dispenser Bianto Santoso 2000-08-01
5242357 Deceleration method and apparatus for a moving bolster for a press — 1993-09-07
5121538 Deceleration method and apparatus for a moving bolster for a press — 1992-06-16