IDiyas

For the Inventor, By the Inventor

Carnegie, PA, United States of America

Joseph F Changle

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.4

ph-index = 9

Forward Citations = 156(Granted Patents)


Location History:

  • Scott, PA (US) (1985)
  • Scott Township, Allegheny County, PA (US) (1987 - 1990)
  • Scott Township, PA (US) (1996)
  • Carnegie, PA (US) (1987 - 2002)

Company Filing History:

goldMedal7 out of 5,989 
 
Eaton Corporation
 patents
silverMedal6 out of 8,033 
 
Westinghouse Electric Corporation
 patents

Years Active: 1985-2002

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13 patents (USPTO):Explore Patents
1. 6396008 - Handle lock device and electrical switching apparatus employing the same (2002-05-28),
2. 6232855 - Circuit interrupter with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment (2001-05-15),
3. 6060674 - Circuit interrupter with plasma arc acceleration chamber and contact arm (2000-05-09),
4. 6052047 - Circuit interrupter with covered accessory case, adjustable under (2000-04-18),
5. 5875885 - Combined wire lead and interphase barrier for power switches (1999-03-02),
6. 5576677 - Dual action armature (1996-11-19),
7. 5565827 - Circuit breaker with current conducting blow open latch (1996-10-15),
8. 4951020 - Unriveted upper link securement cross-reference to related applications (1990-08-21),
9. 4891617 - Rubber stops in outside poles (1990-01-02),
10. 4691180 - Circuit breaker with electrical disconnect means (1987-09-01),
11. 4650944 - Molded case circuit breaker with an improved operating mechanism having (1987-03-17),
12. 4645891 - Molded case circuit breaker with a movable electrical contact positioned (1987-02-24),
13. 4554421 - Molded case circuit breaker with handle lock (1985-11-19),

Title: The Innovative Contributions of Joseph F. Changle

Introduction

Joseph F. Changle is a notable inventor based in Carnegie, PA, with a remarkable portfolio of 13 patents. His work primarily focuses on electrical devices, showcasing his expertise in circuit breakers and safety mechanisms. Changle's inventions have significantly contributed to advancements in electrical engineering and safety protocols.

Latest Patents

Among his latest patents, Changle has developed a handle lock device and an electrical switching apparatus employing the same. This innovative circuit breaker includes a housing, separable contacts, and an operating mechanism featuring a movable operator handle with both OFF and ON positions. The handle lock device is designed to enhance safety by preventing unauthorized operation. It includes a member secured to the housing, a flange alongside the operator handle, and an opening that accommodates a safety lockout shackle. This design effectively blocks movement of the operator handle from the OFF to the ON position, ensuring that the circuit remains safe and secure.

Another significant patent is the circuit interrupter with a covered accessory case, adjustable under voltage relay, self-retaining collar, and one-piece rail attachment. This molded case circuit breaker features a primary cover with a recess for an auxiliary module and a secondary cover that protects the module. The design includes a manual trip and secondary cover interlock, which allows for safe operation and maintenance. Additionally, the under voltage release mechanism is adjustable, providing flexibility in calibrating the circuit breaker to respond to

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