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Donald E. Drumm — 16 Patents

WLWang Laboratories: 8 patents #7 of 284Top 3%
BTBarrett Technology: 3 patents #6 of 30Top 20%
VEVessel: 2 patents #3 of 6Top 50%
HLHelen Of Troy Limited: 1 patents #316 of 496Top 65%
VIVirtual I/O: 1 patents #3 of 10Top 30%
Billerica, MA: #42 of 621 inventorsTop 7%
Massachusetts: #7,594 of 88,656 inventorsTop 9%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Donald E. Drumm has been granted 16 US patents while listed as an inventor at Wang Laboratories. The first was granted in 1986 and the most recent in December 2025. Donald E. Drumm ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Donald E. Drumm in Billerica, MA, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12494725 High performance current sensing architecture for brushless motors Claude F. Valle, IV, Amy Blank, Brian Zenowich, Thomas Nadovich, Christopher Woodall +1 more 2025-12-09
12350830 Multi-active-axis, non-exoskeletal rehabilitation device William T. Townsend, David Wilkinson, Alexander Jenko, Julian Leland, Arvind Ananthanarayanan +6 more 2025-07-08
11290043 High performance current sensing architecture for brushless motors Claude F. Valle, IV, Amy Blank, Brian Zenowich, Thomas Nadovich, Christopher Woodall +1 more 2022-03-29
10148155 Method and apparatus for connecting an ultracompact, high-performance motor controller to an ultracompact, high-performance brushless DC motor David Wilkinson, Peter A. Botticelli, Darren Landino, Brian Zenowich, William T. Townsend 2018-12-04
RE41628 Autoilluminating lamp system Stefane Barbeau, Duane Smith 2010-09-07
6819080 Autoilluminating lamp system Stefane Barbeau, Duane Smith 2004-11-16
6479965 Autoilluminating rechargeable lamp system Stefane Barbeau, Duane Smith 2002-11-12
5526022 Sourceless orientation sensor Michael Donahue, Mark Pesce, Marc Herwin De Groot, Michael Alan Perry 1996-06-11
5426450 Hands-free hardware keyboard — 1995-06-20 $5,757,000
5363120 Computer input device using orientation sensor — 1994-11-08 $4,241,000
5287119 Computer input device using an orientation sensor — 1994-02-15 $6,942,000
5142655 Computer input device using an orientation sensor — 1992-08-25
5101081 Graphics surface assembly with calibrating memory device — 1992-03-31
5068645 Computer input device using an orientation sensor — 1991-11-26
4808980 Electronic light pointer for a projection monitor — 1989-02-28
4573110 Control device — 1986-02-25

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Marco Becker16
Nak Gi Sung16
Kenta Iwai16
Brock Mammoser16