RS

Richard A. Sikra

DW Drum Workshop: 31 patents #2 of 29Top 7%
Overall (All Time): #107,595 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 25 most recent of 33 patents

Patent #TitleCo-InventorsDate
11037536 Direct drive percussion pedal system 2021-06-15
10943571 Mini hi-hat pedal system 2021-03-09
10867589 Percussion pedal system 2020-12-15
10832642 Drum pedal with features for adjustment of chain or similar device 2020-11-10
10825430 Drum pedal with adjustment features 2020-11-03
10737369 Nut devices for instrument stand Ruben Steinhauser 2020-08-11
10699681 Transportable drum kit 2020-06-30
10249272 Percussion instrument with adjustable auxiliary device 2019-04-02
10152955 Percussion pedal assembly 2018-12-11
9928815 Drum pedal with interlocking features 2018-03-27
9721549 Drum stand basket with spring adjustment and other features Ruben Steinhauser 2017-08-01
9640154 Hi-hat pedal assembly 2017-05-02
9601096 Cymbal holder with slotted threads and plunger 2017-03-21
9589546 Drum pedal with adjustment features 2017-03-07
9472174 Drum pedal with interlocking features 2016-10-18
9240169 Pivot supports for drum rim 2016-01-19
8569604 Cymbal adjustment and positioning for hi hat 2013-10-29
8338682 Cymbal holder with barb means retention of cushion pad 2012-12-25
8330032 Pivot supports for drum rim 2012-12-11
8193435 Snare bridge apparatus Donald G. Lombardi 2012-06-05
8143507 Adjusting device for snare drum John J. Good 2012-03-27
7902444 Magnetic and adjustable throw-off for snare drum John J. Good 2011-03-08
7700864 Lockable throw-off for snare drum 2010-04-20
7641560 Take-up in drum actuation drive trains 2010-01-05
7507890 Self adjusting drum lug assemblies 2009-03-24