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

Boyd C. Wittman — 14 Patents

EMEmpak: 12 patents #2 of 30Top 7%
Shorewood, MN: #19 of 113 inventorsTop 20%
Minnesota: #5,382 of 52,454 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Boyd C. Wittman has been granted 14 US patents while listed as an inventor at Empak. The first was granted in 1991 and the most recent in December 1996. Boyd C. Wittman ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Boyd C. Wittman in Shorewood, MN, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
D376688 Semiconductor wafer cassette transport box Gary M. Gallagher, Edmund Neumann 1996-12-24
D368802 150 mm wafer cassette for use on 200 mm semi standard wafer handling equipment Gary M. Gallagher, Brian Wiseman 1996-04-16
5476176 Reinforced semiconductor wafer holder Barry Gregerson 1995-12-19
5452795 Actuated rotary retainer for silicone wafer box Gary M. Gallagher 1995-09-26
5426885 Tackle tote 1995-06-27
5385180 Liquid saver funnel system 1995-01-31
5375708 Reusable hard clear package for video games 1994-12-27
D344347 Sawhorse 1994-02-15
D343356 Security package 1994-01-18
5255543 Opener for security package with spring loaded keying mechanism 1993-10-26
5215188 Security package with a slidable locking mechanism 1993-06-01
5129244 Opener for security package with rotatable locking channel 1992-07-14
D323171 Can crusher Barry Gregerson 1992-01-14
5038677 Can crusher with crimping member Barry Gregerson 1991-08-13