DD

Don L. Drinkwater

DE Digital Equipment: 7 patents #143 of 2,100Top 7%
BO Bose: 6 patents #270 of 1,083Top 25%
CC Custom Controls: 3 patents #1 of 9Top 15%
📍 Carlisle, MA: #54 of 364 inventorsTop 15%
🗺 Massachusetts: #6,037 of 88,656 inventorsTop 7%
Overall (All Time): #233,429 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12075225 Systems and methods for broadcasting audio Douglas Warren Young, Kathleen S. Krisch 2024-08-27
11304006 Systems and methods for broadcasting audio Douglas Warren Young, Kathleen S. Krisch 2022-04-12
10681480 Multiple room communication system and method Naganagouda B. Patil 2020-06-09
10496359 Method for changing type of streamed content for an audio system Michael Elliot 2019-12-03
10057698 Multiple room communication system and method Naganagouda B. Patil 2018-08-21
9904508 Method for changing type of streamed content for an audio system Michael Elliot 2018-02-27
9016662 Efficient manual to automatic valve conversion device Donald Staffiere, David Staffiere, Dana St. James, Jay Prager 2015-04-28
8931755 Manual to automatic valve conversion device Donald Staffiere, David Staffiere, Dana St. James, Jay Prager 2015-01-13
8256742 Manual to automatic valve conversion device Donald Staffiere, David Staffiere, Dana St. James 2012-09-04
6701951 Manual to electronic automatic valve conversion apparatus 2004-03-09
6147885 Method and apparatus for controlling providing of conditioned AC power Gerald J. Brand, James Simonelli, Zeljko Arbanas 2000-11-14
5901057 Uninterruptible power supply with fault tolerance in a high voltage environment Gerald J. Brand 1999-05-04
5889666 Method and apparatus for controlling providing of conditioned AC power Gerald J. Brand, James Simonelli, Zeljko Arbanas 1999-03-30
5764504 Uninterruptible power supply with fault tolerance in a high voltage environment Gerald J. Brand 1998-06-09
5764503 Method and apparatus for providing conditioned AC voltage using current and voltage sensing Gerald J. Brand, James Simonelli, Zeljko Arbanas 1998-06-09
5694312 Uninterruptible power supply with fault tolerance in a high voltage environment Gerald J. Brand 1997-12-02
5444360 Maintenance reduction apparatus 1995-08-22
5240179 Anti-freeze assist apparatus 1993-08-31
4818891 Ride-through energy boost circuit 1989-04-04