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USPTO Patent Rankings Data through Dec 31, 2025
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Conrad M. B. Walker — 8 Patents

DPDurable Packaging: 2 patents #3 of 6Top 50%
MPMark Iv Transportation Products: 1 patents #5 of 20Top 25%
Edmonton, CA: #218 of 2,912 inventorsTop 8%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Conrad M. B. Walker has been granted 8 US patents while listed as an inventor at Durable Packaging. The first was granted in 1989 and the most recent in October 1995. Conrad M. B. Walker ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Conrad M. B. Walker in Edmonton, AB, CA.

Patents per Year

Patents granted per year, 1989 to 1995Bar chart with a peak of 3 patents in 1992.peak 31989: 1 patents19891990: 1 patents19901992: 3 patents19921993: 2 patents19931995: 1 patents1995

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5454776 Carton bottom folder and sealer Lawrence W. Ulrich, James Lojewski 1995-10-03
5196846 Moving vehicle identification system William K. Brockelsby, Michael Hryciuk, Donald P. Gillis 1993-03-23
5192954 Roadway antennae William K. Brockelsby, Michael H. Hryciuk, Donald P. Gillis 1993-03-09
5164732 Highway vehicle identification system with high gain antenna William K. Brockelsby, Michael Hryciuk, Donald P. Gillis 1992-11-17
5132687 Electronic identification system Howard A. Baldwin, William K. Brockelsby 1992-07-21
5112288 Carton erector apparatus Lawrence W. Ulrich 1992-05-12
4937581 Electronic identification system Howard A. Baldwin, William K. Brockelsby 1990-06-26
4870419 Electronic identification system Howard A. Baldwin, William K. Brockelsby 1989-09-26