Stephen L Markle

This inventor holds 20 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents, primarily in Mixer Technology. Top assignees: General Signal Corporation, Spx Corporation, Spx Flow, Inc.. Active years: 1983-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen L Markle. Retrieved from https://idiyas.com/inventor/stephen-l-markle

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 20

% Patents Active = 100.0

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 131(Granted Patents)

Location History:

Rochester, NY (US) (1983 - 1996)
Holles, NY (US) (1998)
Holley, NY (US) (1998 - 2019)

Company Filing History:

10 out of 786

General Signal Corporation

Allis-Chalmers Corporation

patents

5. 1 out of 834,570

Other

patents

Years Active: 1983-2019

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Areas of Expertise:

Mixer Assembly

Impeller Assembly

Mounting Assembly

Drive System

Bearing Retainer

Lab Mixer

Mixer Gearbox

Chuck Mechanism

Radial Shaft Seal

Transmission Cover

Self-formed Labyrinth Seal

Mixing Apparatus

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10315171 - Mixer assembly apparatus and method (2019-06-11),

2. 9694329 - Mixer assembly apparatus and method (2017-07-04),

3. 9327256 - Impeller assembly apparatus and method (2016-05-03),

4. 9101887 - Mixer attachment assembly apparatus and method (2015-08-11),

5. 7874719 - Mounting assembly and method for a drive system for a mixer (2011-01-25),

6. 7572112 - Mixer drive mounting apparatus and method (2009-08-11),

7. 7507028 - Bearing retainer assembly and method (2009-03-24),

8. 7001063 - Cleanable mixer driver apparatus and method (2006-02-21),

9. 5842377 - Mixer gearbox assembly having a cross-shaft alternatively mounted in one (1998-12-01),

10. 5746536 - Double taper lock system for a locking a mixer shaft in a quill (1998-05-05),

11. 5720486 - Self-formed labyrinth seal (1998-02-24),

12. 5560709 - Mixer drive apparatus enabling radial changing of shaft seal (1996-10-01),

13. 5480228 - Mixer systems (1996-01-02),

14. D360037 - Lab mixer for biotechnology (1995-07-04),

15. 5368390 - Mixer systems (1994-11-29),

Title: The Innovative Journey of Stephen L Markle

Introduction

Stephen L Markle, based in Holley, NY, is a distinguished inventor known for his contributions to mixing apparatus technology. With an impressive portfolio of 20 patents, Markle has made significant advancements in mechanical engineering, particularly in the design of mixing systems.

Latest Patents

Two of his latest patents include an innovative mixer assembly apparatus and method. This mixing apparatus features a hub with a plurality of blades, each connected by a hinge that allows for pivotal securing to the hub. Each hinge contains a lock designed with a tab and a detent mechanism, ensuring that each blade can be secured in an operational configuration. This design enhances the efficiency and versatility of mixing applications.

Career Highlights

Throughout his career, Markle has held prominent positions at notable companies such as General Signal Corporation and SPX Corporation. His experience at these organizations has greatly influenced his innovative capabilities and patent development.

Collaborations

In his professional journey, Markle has collaborated with esteemed colleagues like William F Hutchings and Marlin D Schutte. These partnerships have fostered an environment of creativity and innovation, contributing to the development of groundbreaking technologies.

Conclusion

Stephen L Markle exemplifies the spirit of innovation in the engineering domain. With his remarkable inventions and patents, he continues to inspire future generations of inventors and engineers. As he moves forward, his contributions will undoubtedly leave a lasting impact on the industry.

Profile summary based on public USPTO records.