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For the Inventor, By the Inventor

Winter Springs, FL, United States of America

John C Groenendaal

USPTO Granted Patents = 20

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 156(Granted Patents)


Company Filing History:

goldMedal18 out of 8,033 
 
Westinghouse Electric Corporation
 patents
silverMedal2 out of 410 
 
Siemens Westinghouse Power Corporation
 patents

Years Active: 1987-2005

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20 patents (USPTO):Explore Patents
1. 6964554 - Drop-in nozzle block for steam turbine (2005-11-15),
2. 5984628 - Steam turbine (1999-11-16),
3. 5573370 - Steam turbine (1996-11-12),
4. 5494405 - Method of modifying a steam turbine (1996-02-27),
5. 5222862 - Turbine generator pressure relief diaphragm (1993-06-29),
6. 5133641 - Support arrangement for optimizing a low pressure steam turbine inner (1992-07-28),
7. 5133640 - Thermal shield for steam turbines (1992-07-28),
8. 5123812 - Apparatus for aligning a blade ring in a steam turbine (1992-06-23),
9. 5110256 - Methods and apparatus for attaching a flow guide to a steam turbine for (1992-05-05),
10. 5104288 - Dual plane bolted joint for separately-supported segmental stationary (1992-04-14),
11. 5104285 - Low pressure inlet ring subassembly with integral staybars (1992-04-14),
12. 5024579 - Fully floating inlet flow guide for double-flow low pressure steam (1991-06-18),
13. 4986732 - Steam turbine crossover piping with reduced turning losses (1991-01-22),
14. 4915581 - Steam turbine with improved inner cylinder (1990-04-10),
15. 4900223 - Steam turbine (1990-02-13),

Title: Inventor Spotlight: John C. Groenendaal

Introduction

John C. Groenendaal is a notable inventor based in Winter Springs, FL, recognized for his substantial contributions to the field of steam turbine technology. With a remarkable portfolio of 20 patents, Groenendaal’s work reflects his commitment to innovation and engineering excellence, particularly in improving steam turbine efficiency and design.

Latest Patents

Among his latest patents is the innovative "Drop-in nozzle block for steam turbine," which features a two-segment design that simplifies the installation process. This design allows for a closer tolerance between the nozzle block and the turbine casing, eliminating the need for expansion pins utilized in previous designs. Additionally, Groenendaal's patent for a "steam turbine" includes advanced enhancements such as a moisture removal slot formed in the blade ring cylinder. This development aims to efficiently manage moisture, preventing its entrainment into the steam flow, thereby enhancing the turbine's performance.

Career Highlights

John C. Groenendaal has had a distinguished career, working with prominent companies in the power generation sector. His tenure at Westinghouse Electric Corporation and Siemens Westinghouse Power Corporation allowed him to apply his inventive prowess and lead projects aimed at optimizing turbine performance. His extensive experience in these organizations underscores his status as an expert in steam turbine technologies.

Collaborations

Throughout his career, Groenendaal has collaborated with esteemed colleagues such as Lewis Gray and David Marchant Parker. These collaborations have contributed to the collective knowledge and advancements in the engineering solutions developed for the steam turbine industry.

Conclusion

John C. Groenendaal's innovative spirit and significant contributions to steam turbine technology exemplify the impact that dedicated inventors can have on engineering advancements. His latest patents not only showcase his inventive skills but also enhance the efficiency and reliability of steam turbines, setting new benchmarks in the power generation industry.

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