Richard A. Sikra

Person

Thousand Oaks, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic cymbal instruments and systems
- Patent number 11,922,907
- Issue date Mar 5, 2024
- Drum Workshop, Inc.
- Paul Piscoi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Throw-off device
- Patent number 11,600,250
- Issue date Mar 7, 2023
- Drum Workshop, Inc.
- Rich Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multipiece drum lug
- Patent number 11,328,698
- Issue date May 10, 2022
- Drum Workshop, Inc.
- Rich Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Direct drive percussion pedal system
- Patent number 11,037,536
- Issue date Jun 15, 2021
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Mini hi-hat pedal system
- Patent number 10,943,571
- Issue date Mar 9, 2021
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Percussion pedal system
- Patent number 10,867,589
- Issue date Dec 15, 2020
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum pedal with features for adjustment of chain or similar device
- Patent number 10,832,642
- Issue date Nov 10, 2020
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum pedal with adjustment features
- Patent number 10,825,430
- Issue date Nov 3, 2020
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Nut devices for instrument stand
- Patent number 10,737,369
- Issue date Aug 11, 2020
- Drum Workshop, Inc.
- Ruben Steinhauser
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Transportable drum kit
- Patent number 10,699,681
- Issue date Jun 30, 2020
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Percussion instrument with adjustable auxiliary device
- Patent number 10,249,272
- Issue date Apr 2, 2019
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Percussion pedal assembly
- Patent number 10,152,955
- Issue date Dec 11, 2018
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum pedal with interlocking features
- Patent number 9,928,815
- Issue date Mar 27, 2018
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum stand basket with spring adjustment and other features
- Patent number 9,721,549
- Issue date Aug 1, 2017
- Drum Workshop, Inc.
- Richard A Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Hi-hat pedal assembly
- Patent number 9,640,154
- Issue date May 2, 2017
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Cymbal holder with slotted threads and plunger
- Patent number 9,601,096
- Issue date Mar 21, 2017
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum pedal with adjustment features
- Patent number 9,589,546
- Issue date Mar 7, 2017
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum pedal with interlocking features
- Patent number 9,472,174
- Issue date Oct 18, 2016
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pivot supports for drum rim
- Patent number 9,240,169
- Issue date Jan 19, 2016
- Drum Workshop, Inc.
- Richard A Sikra
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cymbal adjustment and positioning for hi hat
- Patent number 8,569,604
- Issue date Oct 29, 2013
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Cymbal holder with barb means retention of cushion pad
- Patent number 8,338,682
- Issue date Dec 25, 2012
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Pivot supports for drum rim
- Patent number 8,330,032
- Issue date Dec 11, 2012
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Snare bridge apparatus
- Patent number 8,193,435
- Issue date Jun 5, 2012
- Drum Workshop, Inc.
- Donald G. Lombardi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Adjusting device for snare drum
- Patent number 8,143,507
- Issue date Mar 27, 2012
- Drum Workshop, Inc.
- John J. Good
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Magnetic and adjustable throw-off for snare drum
- Patent number 7,902,444
- Issue date Mar 8, 2011
- Drum Workshop, Inc.
- John J. Good
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Lockable throw-off for snare drum
- Patent number 7,700,864
- Issue date Apr 20, 2010
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Take-up in drum actuation drive trains
- Patent number 7,641,560
- Issue date Jan 5, 2010
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Self adjusting drum lug assemblies
- Patent number 7,507,890
- Issue date Mar 24, 2009
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Dual drum support and positioning
- Patent number 7,468,480
- Issue date Dec 23, 2008
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Drum lug
- Patent number D580477
- Issue date Nov 11, 2008
- Drum Workshop, Inc.
- Richard A. Sikra
- D17 - Musical instruments

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC MUSICAL INSTRUMENTS AND SYSTEMS
- Publication number 20240185818
- Publication date Jun 6, 2024
- Drum Workshop, Inc.
- Paul PISCOI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRONIC MUSICAL INSTRUMENTS, SYSTEMS, AND METHODS
- Publication number 20240029693
- Publication date Jan 25, 2024
- Drum Workshop, Inc.
- Paul PISCOI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRONIC MUSICAL INSTRUMENTS AND SYSTEMS
- Publication number 20210225338
- Publication date Jul 22, 2021
- Drum Workshop, Inc.
- PAUL PISCOI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ELECTRONIC CYMBAL INSTRUMENTS AND SYSTEMS
- Publication number 20210225346
- Publication date Jul 22, 2021
- Drum Workshop, Inc.
- PAUL PISCOI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
THROW-OFF DEVICE
- Publication number 20210217391
- Publication date Jul 15, 2021
- Drum Workshop, Inc.
- Rich Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MULTIPIECE DRUM LUG
- Publication number 20210217390
- Publication date Jul 15, 2021
- Drum Workshop, Inc.
- Rich Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
TRANSPORTABLE DRUM KIT
- Publication number 20190228747
- Publication date Jul 25, 2019
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIRECT DRIVE PERCUSSION PEDAL SYSTEM
- Publication number 20190156796
- Publication date May 23, 2019
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRUM PEDAL WITH ADJUSTMENT FEATURES
- Publication number 20180240443
- Publication date Aug 23, 2018
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PERCUSSION INSTRUMENT WITH ADJUSTABLE AUXILIARY DEVICE
- Publication number 20180211640
- Publication date Jul 26, 2018
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
NUT DEVICES FOR INSTRUMENT STAND
- Publication number 20180200869
- Publication date Jul 19, 2018
- Drum Workshop, Inc.
- RUBEN STEINHAUSER
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
MINI HI-HAT PEDAL SYSTEM
- Publication number 20180204551
- Publication date Jul 19, 2018
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PERCUSSION PEDAL ASSEMBLY
- Publication number 20170236503
- Publication date Aug 17, 2017
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PERCUSSION PEDAL SYSTEM
- Publication number 20170206868
- Publication date Jul 20, 2017
- DRUM WORKSHIP, INC.
- RICHARD A. SIKRA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRUM PEDAL WITH FEATURES FOR ADJUSTMENT OF CHAIN OR SIMILAR DEVICE
- Publication number 20170124993
- Publication date May 4, 2017
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRUM PEDAL WITH INTERLOCKING FEATURES
- Publication number 20160379609
- Publication date Dec 29, 2016
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRUM STAND BASKET WITH SPRING ADJUSTMENT AND OTHER FEATURES
- Publication number 20160210943
- Publication date Jul 21, 2016
- Drum Workshop, Inc.
- Richard A Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HI-HAT PEDAL ASSEMBLY
- Publication number 20160210946
- Publication date Jul 21, 2016
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRUM PEDAL WITH INTERLOCKING FEATURES
- Publication number 20160196810
- Publication date Jul 7, 2016
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
CYMBAL HOLDER WITH SLOTTED THREADS AND PLUNGER
- Publication number 20150096430
- Publication date Apr 9, 2015
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DRUM PEDAL WITH ADJUSTMENT FEATURES AND INTERLOCKING FEATURES
- Publication number 20150082968
- Publication date Mar 26, 2015
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PIVOT SUPPORTS FOR DRUM RIM
- Publication number 20140041507
- Publication date Feb 13, 2014
- Drum Workshop, Inc.
- Richard A. Sikra
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Adjusting device for snare drum
- Publication number 20110120286
- Publication date May 26, 2011
- Drum Workshop, Inc.
- John J. Good
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Richard A. Sikra

Person

Patents Grantslast 30 patents

Electronic cymbal instruments and systems

Throw-off device

Multipiece drum lug

Direct drive percussion pedal system

Mini hi-hat pedal system

Percussion pedal system

Drum pedal with features for adjustment of chain or similar device

Drum pedal with adjustment features

Nut devices for instrument stand

Transportable drum kit

Percussion instrument with adjustable auxiliary device

Percussion pedal assembly

Drum pedal with interlocking features

Drum stand basket with spring adjustment and other features

Hi-hat pedal assembly

Cymbal holder with slotted threads and plunger

Drum pedal with adjustment features

Drum pedal with interlocking features

Pivot supports for drum rim

Cymbal adjustment and positioning for hi hat

Cymbal holder with barb means retention of cushion pad

Pivot supports for drum rim

Snare bridge apparatus

Adjusting device for snare drum

Magnetic and adjustable throw-off for snare drum

Lockable throw-off for snare drum

Take-up in drum actuation drive trains

Self adjusting drum lug assemblies

Dual drum support and positioning

Drum lug

Patents Applicationslast 30 patents

ELECTRONIC MUSICAL INSTRUMENTS AND SYSTEMS

ELECTRONIC MUSICAL INSTRUMENTS, SYSTEMS, AND METHODS

ELECTRONIC MUSICAL INSTRUMENTS AND SYSTEMS

ELECTRONIC CYMBAL INSTRUMENTS AND SYSTEMS

THROW-OFF DEVICE

MULTIPIECE DRUM LUG

TRANSPORTABLE DRUM KIT

DIRECT DRIVE PERCUSSION PEDAL SYSTEM

DRUM PEDAL WITH ADJUSTMENT FEATURES

PERCUSSION INSTRUMENT WITH ADJUSTABLE AUXILIARY DEVICE

NUT DEVICES FOR INSTRUMENT STAND

MINI HI-HAT PEDAL SYSTEM

PERCUSSION PEDAL ASSEMBLY

PERCUSSION PEDAL SYSTEM

DRUM PEDAL WITH FEATURES FOR ADJUSTMENT OF CHAIN OR SIMILAR DEVICE

DRUM PEDAL WITH INTERLOCKING FEATURES

DRUM STAND BASKET WITH SPRING ADJUSTMENT AND OTHER FEATURES

HI-HAT PEDAL ASSEMBLY

DRUM PEDAL WITH INTERLOCKING FEATURES

CYMBAL HOLDER WITH SLOTTED THREADS AND PLUNGER

DRUM PEDAL WITH ADJUSTMENT FEATURES AND INTERLOCKING FEATURES

PIVOT SUPPORTS FOR DRUM RIM

Adjusting device for snare drum