Randall Shaffer

Person

Phoenix, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Solenoid assembly actuation using resonant frequency current contro...
- Patent number 12,191,076
- Issue date Jan 7, 2025
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power controller for a door lock and method of conserving power
- Patent number 11,993,953
- Issue date May 28, 2024
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Solenoid assembly actuation using resonant frequency current contro...
- Patent number 11,915,869
- Issue date Feb 27, 2024
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solenoid assembly with included constant-current controller circuit
- Patent number 11,545,289
- Issue date Jan 3, 2023
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solenoid assembly actuation using resonant frequency current contro...
- Patent number 11,424,061
- Issue date Aug 23, 2022
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reduced power consumption electromagnetic lock
- Patent number 11,203,890
- Issue date Dec 21, 2021
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Solenoid assembly with included constant-current controller circuit
- Patent number 10,964,467
- Issue date Mar 30, 2021
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power controller for a door lock and method of conserving power
- Patent number 10,815,695
- Issue date Oct 27, 2020
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Degauss circuit for use in an electronically actuated door lock
- Patent number 10,573,450
- Issue date Feb 25, 2020
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Constant-current controller for an inductive load
- Patent number 10,378,242
- Issue date Aug 13, 2019
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Power control circuit assembly for an electric door latch mechanism
- Patent number 9,509,163
- Issue date Nov 29, 2016
- Hanchett Entry Systems, Inc.
- David Corbin
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER
- Publication number 20240279961
- Publication date Aug 22, 2024
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- G07 - CHECKING-DEVICES
Information Patent Application
SOLENOID ASSEMBLY ACTUATION USING RESONANT FREQUENCY CURRENT CONTRO...
- Publication number 20240242870
- Publication date Jul 18, 2024
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLENOID ASSEMBLY WITH INCLUDED CONSTANT-CURRENT CONTROLLER CIRCUIT
- Publication number 20230126500
- Publication date Apr 27, 2023
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLENOID ASSEMBLY ACTUATION USING RESONANT FREQUENCY CURRENT CONTRO...
- Publication number 20220384076
- Publication date Dec 1, 2022
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REDUCED POWER CONSUMPTION ELECTROMAGNETIC LOCK
- Publication number 20210317691
- Publication date Oct 14, 2021
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SOLENOID ASSEMBLY WITH INCLUDED CONSTANT-CURRENT CONTROLLER CIRCUIT
- Publication number 20210043351
- Publication date Feb 11, 2021
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLENOID ASSEMBLY ACTUATION USING RESONANT FREQUENCY CURRENT CONTRO...
- Publication number 20210043352
- Publication date Feb 11, 2021
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER
- Publication number 20210010294
- Publication date Jan 14, 2021
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SOLENOID ASSEMBLY WITH INCLUDED CONSTANT-CURRENT CONTROLLER CIRCUIT
- Publication number 20190267173
- Publication date Aug 29, 2019
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DEGAUSS CIRCUIT FOR USE IN AN ELECTRONICALLY ACTUATED DOOR LOCK
- Publication number 20180075961
- Publication date Mar 15, 2018
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
REDUCED POWER CONSUMPTION ELECTROMAGNETIC LOCK
- Publication number 20170226784
- Publication date Aug 10, 2017
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER
- Publication number 20160307681
- Publication date Oct 20, 2016
- Hanchett Entry Systems, Inc.
- Randall Shaffer
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
CONSTANT-CURRENT CONTROLLER FOR AN INDUCTIVE LOAD
- Publication number 20160307683
- Publication date Oct 20, 2016
- Hanchett Entry Systems, Inc.
- Brett L. Davis
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
POWER CONTROL CIRCUIT ASSEMBLY FOR AN ELECTRIC DOOR LATCH MECHANISM
- Publication number 20160060902
- Publication date Mar 3, 2016
- Hanchett Entry Systems, Inc.
- David Corbin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Randall Shaffer

Person

Patents Grantslast 30 patents

Solenoid assembly actuation using resonant frequency current contro...

Power controller for a door lock and method of conserving power

Solenoid assembly actuation using resonant frequency current contro...

Solenoid assembly with included constant-current controller circuit

Solenoid assembly actuation using resonant frequency current contro...

Reduced power consumption electromagnetic lock

Solenoid assembly with included constant-current controller circuit

Power controller for a door lock and method of conserving power

Degauss circuit for use in an electronically actuated door lock

Constant-current controller for an inductive load

Power control circuit assembly for an electric door latch mechanism

Patents Applicationslast 30 patents

POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER

SOLENOID ASSEMBLY ACTUATION USING RESONANT FREQUENCY CURRENT CONTRO...

SOLENOID ASSEMBLY WITH INCLUDED CONSTANT-CURRENT CONTROLLER CIRCUIT

SOLENOID ASSEMBLY ACTUATION USING RESONANT FREQUENCY CURRENT CONTRO...

REDUCED POWER CONSUMPTION ELECTROMAGNETIC LOCK

SOLENOID ASSEMBLY WITH INCLUDED CONSTANT-CURRENT CONTROLLER CIRCUIT

SOLENOID ASSEMBLY ACTUATION USING RESONANT FREQUENCY CURRENT CONTRO...

POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER

SOLENOID ASSEMBLY WITH INCLUDED CONSTANT-CURRENT CONTROLLER CIRCUIT

DEGAUSS CIRCUIT FOR USE IN AN ELECTRONICALLY ACTUATED DOOR LOCK

REDUCED POWER CONSUMPTION ELECTROMAGNETIC LOCK

POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER

CONSTANT-CURRENT CONTROLLER FOR AN INDUCTIVE LOAD

POWER CONTROL CIRCUIT ASSEMBLY FOR AN ELECTRIC DOOR LATCH MECHANISM