Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JL

John Laidlaw — 3 Patents

ACAcrison: 3 patents #5 of 11Top 50%
Oakland, NJ: #51 of 154 inventorsTop 35%
New Jersey: #23,671 of 69,400 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Laidlaw has been granted 3 US patents while listed as an inventor at Acrison. The first was granted in 1988 and the most recent in June 1995. John Laidlaw ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Laidlaw in Oakland, NJ, US.

Patents per Year

Patents granted per year, 1988 to 1995Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19881989: 1 patents19891995: 1 patents1995

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5423455 Materials feeding system with level sensing probe and method for automatic bulk density determination Ronald J. Ricciardi 1995-06-13
4867343 Wild-flow loss-in-weight weighing system Ronald J. Ricciardi 1989-09-19
4722456 With accelerometer for detecting extraneous disturbances weigh feeder Ronald J. Ricciardi, Stephen D. Kahn 1988-02-02