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

Douglas E. Shaffer — 11 Patents

JCJohn D. Brush & Co.: 7 patents #9 of 60Top 15%
WSWestrock Shared Services: 3 patents #22 of 89Top 25%
CPChesapeake Display And Packaging: 1 patents #1 of 12Top 9%
Rochester, NY: #825 of 6,268 inventorsTop 15%
New York: #13,476 of 115,490 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Douglas E. Shaffer has been granted 11 US patents while listed as an inventor at John D. Brush & Co.. The first was granted in 1983 and the most recent in September 2024. Douglas E. Shaffer ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Douglas E. Shaffer in Rochester, NY, US.

Patents per Year

Patents granted per year, 1983 to 2024Bar chart with a peak of 2 patents in 2010.peak 21983: 1 patents19831984: 1 patents19841990: 1 patents19901999: 1 patents19992001: 1 patents20012010: 2 patents20102014: 1 patents20142017: 1 patents20172023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12077352 One piece convertible packages and display systems 2024-09-03
11751701 Modular stack displays 2023-09-12
9782021 Adjustable end cap display 2017-10-10 $34,084,000
8662603 Protective enclosure including a pry resistant door James W. Sekol 2014-03-04
7748797 Stackable blow molded cabinet Terri P. Cleveland, Richard Rhinewald, Douglas O. Nichol, David Lewis, David A. Nowicky +5 more 2010-07-06
7731888 Mold device and method for forming a lock bore David A. Nowicky, Christine M. Keane, James W. Hall, Philip B. Race, David Fisher 2010-06-08
6254149 Live bolt latching and releasing system Leland E. Emery 2001-07-03
5970889 Steel shell safe with snap-in resin liner Leland E. Emery 1999-10-26
4949851 Collapsible display 1990-08-21
4468943 Live bolt lock mechanism for safe door Patrick J. Beattie, Richard J. Sylvester 1984-09-04
4398470 Wall safe Alvin R. Williams 1983-08-16