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For the Inventor, By the Inventor

Alexandria, VA, United States of America

John D Ruff

USPTO Granted Patents = 16

Average Co-Inventor Count = 1.1

ph-index = 8

Forward Citations = 200(Granted Patents)


Company Filing History:

goldMedal10 out of 10 
 
Thermadyne, Inc.
 patents
silverMedal6 out of 832,912 
Other
 patents

Years Active: 1976-2015

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16 patents (USPTO):Explore Patents
1. 9130492 - Animatronic system with unlimited axes (2015-09-08),
2. 6230078 - Simplified animatronic and CNC system (2001-05-08),
3. 5784541 - System for controlling multiple controllable devices according to a (1998-07-21),
4. 5212957 - Refgrigerator/water purifier (1993-05-25),
5. 5207761 - Refrigerator/water purifier with common evaporator (1993-05-04),
6. 5123948 - Icemaker/water purifier with by-pass condenser (1992-06-23),
7. 5103653 - Icemaker/water purifier with convective melting (1992-04-14),
8. 5032157 - Icemaker system with wide range condensing temperatures (1991-07-16),
9. 5013344 - Icemaker and water purifier with controlled condensing temperature (1991-05-07),
10. 5011524 - Ice maker and water purifier employing pre-cooled make-up water (1991-04-30),
11. 4998417 - Icemaker system with wide range condensing temperatures (1991-03-12),
12. 4941902 - Ice maker and water purifier (1990-07-17),
13. 4897099 - Ice maker and water purifier (1990-01-30),
14. 4642026 - Centrifugal compressor with adjustable diffuser (1987-02-10),
15. 4018581 - Solar heating system (1977-04-19),

Title: The Innovative Contributions of John D. Ruff

Introduction

John D. Ruff is a notable inventor based in Alexandria, VA (US), recognized for his significant contributions to the field of animatronics and computer numerical control (CNC) systems. With a total of 16 patents to his name, Ruff has developed innovative technologies that enhance the performance and control of mechanical systems.

Latest Patents

Among his latest patents, Ruff has created an "Animatronic system with unlimited axes." This system allows for the recording and playback of individual axes of character movement by continually commanding speeds and rotational directions of a stepping axis motor in response to manual joystick movements. The joystick commands are further refined through a feedback motor that interacts mechanically with the joystick, ensuring precise control.

Another significant invention is the "Simplified animatronic and CNC system." This system utilizes a computer to manage the speed and direction of multiple stepper motors. Users can prepare and edit scripts for motor operations using ASCII characters on a computer monitor. The script is stored on a disc and can be played back through a parallel port to control the motors. Each letter in the script corresponds to a different motor speed, allowing for seamless operation. The system also features a synchronized digital control system that provides excellent positional control of motorized elements, making it applicable to CNC operations.

Career Highlights

Throughout his career, John D. Ruff has worked with various companies, including Thermadyne, Inc. His experience in these organizations has contributed to his expertise in developing advanced technologies in animatronics and CNC systems.

Collaborations

Ruff has collaborated with notable individuals in his field, including his coworker Phillip Rood Wheeler. Their joint efforts have likely led to the advancement of innovative solutions in their respective areas of expertise.

Conclusion

John D. Ruff's contributions to animatronics and CNC technology demonstrate his innovative spirit and commitment to advancing mechanical systems. His patents reflect a deep understanding of both user interaction and machine control, making him a significant figure in the field of invention.

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