Company Filing History:

17 out of 2,624

Otis Elevator Company

Years Active: 1993-2009

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7490698 - Elevator traffic control (2009-02-17),

2. 7487861 - Elevator traffic control (2009-02-10),

3. 7267202 - Elevator dispatching with guaranteed time performance using real-time service allocation (2007-09-11),

4. 6545236 - Vehicle interior component having a flexible cover with integrated circuitry (2003-04-08),

5. 6357554 - Elevator ride improvements utilizing smart floor (2002-03-19),

6. 6328135 - Modifying elevator group behavior utilizing complexity theory (2001-12-11),

7. 5672853 - Elevator control neural network (1997-09-30),

8. 5668356 - Elevator dispatching employing hall call assignments based on fuzzy (1997-09-16),

9. 5564550 - Adapting escalator speed to traffic using fuzzy logic (1996-10-15),

10. 5347093 - Fuzzy tailoring of elevator passenger fuzzy sets (1994-09-13),

11. 5338904 - Early car announcement (1994-08-16),

12. 5260527 - Using fuzzy logic to determine the number of passengers in an elevator (1993-11-09),

13. 5260526 - Elevator car assignment conditioned on minimum criteria (1993-11-09),

14. 5258587 - Estimating elevator passengers from gender ratioed weight (1993-11-02),

15. 5252789 - Using fuzzy logic to determine the traffic mode of an elevator system (1993-10-12),

Title: Innovations by David J Sirag, Jr.

Introduction

David J Sirag, Jr. is an accomplished inventor based in South Windsor, CT (US). He holds a total of 18 patents, showcasing his significant contributions to the field of elevator technology. His innovative ideas have led to advancements that improve efficiency and service in elevator systems.

Latest Patents

One of his notable patents is related to elevator traffic control. This invention utilizes a strategy that combines sector assignment channeling with destination entry systems. A controller monitors the handling capacity of the system to determine when it is advisable to override the sector assignments, thereby enhancing passenger service. Another patent focuses on an elevator system that includes multiple cars capable of serving various floors. The controller groups the floors into sectors and assigns specific cars to these sectors, which may include non-contiguous floors.

Career Highlights

Throughout his career, David has worked with prominent companies such as Otis Elevator Company and Lear Corporation. His experience in these organizations has allowed him to refine his skills and contribute to significant projects in the elevator industry.

Collaborations

David has collaborated with notable individuals in his field, including Bruce A Powell and Jeremy B Kezer. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

David J Sirag, Jr. is a remarkable inventor whose work in elevator technology has made a lasting impact. His patents reflect his dedication to improving passenger service and efficiency in elevator systems.

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