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For the Inventor, By the Inventor

Broomfield, CO, United States of America

Robert W Shaffer

USPTO Granted Patents = 20

Average Co-Inventor Count = 1.3

ph-index = 16

Forward Citations = 557(Granted Patents)


Location History:

  • County of Butler, OH (US) (2000)
  • Hamilton, OH (US) (1995 - 2003)
  • Broomfield, CO (US) (2011 - 2021)

Company Filing History:

goldMedal18 out of 31 
 
Air Squared, Inc.
 patents
silverMedal1 out of 116 
 
Puritan-bennett Corporation
 patents
bronzeMedal1 out of 1 
 
Dellcor Puritan Bennett Inc.
 patent
4. 1 out of 1 
 
Puritan-bekkett, Corp.
 patent
5. 1 out of 1 
 
Air Squared Manufacturing, Inc.
 patent
6. 1 out of 1 
 
Air Squad, Inc.
 patent
where one patent can have more than one assignee

Years Active: 1995-2021

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20 patents (USPTO):Explore Patents
1. 11047389 - Multi-stage scroll vacuum pumps and related scroll devices (2021-06-29),
2. 10774690 - Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle (2020-09-15),
3. 10683865 - Scroll type device incorporating spinning or co-rotating scrolls (2020-06-16),
4. 10519815 - Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump or combined organic rankine and heat pump cycle (2019-12-31),
5. 10221852 - Multi stage scroll vacuum pumps and related scroll devices (2019-03-05),
6. 9885358 - Three stage scroll vacuum pump (2018-02-06),
7. 9784139 - Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle (2017-10-10),
8. 9074598 - Scroll type device including compressor and expander functions in a single scroll plate pair (2015-07-07),
9. 9028230 - Three stage scroll vacuum pump (2015-05-12),
10. 8668479 - Semi-hermetic scroll compressors, vacuum pumps, and expanders (2014-03-11),
11. 8523544 - Three stage scroll vacuum pump (2013-09-03),
12. 7942655 - Advanced scroll compressor, vacuum pump, and expander (2011-05-17),
13. 6511308 - Scroll vacuum pump with improved performance (2003-01-28),
14. 6439864 - Two stage scroll vacuum pump with improved pressure ratio and performance (2002-08-27),
15. 6129530 - Scroll compressor with a two-piece idler shaft and two piece scroll (2000-10-10),

Title: Innovations and Contributions of Robert W. Shaffer

Introduction

Robert W. Shaffer, based in Broomfield, Colorado, is a prolific inventor with a remarkable portfolio of 20 patents. His work primarily focuses on advanced vacuum pump technologies and energy cycle constructions, showcasing his expertise in engineering and innovation.

Latest Patents

Among his most notable recent inventions is a multi-stage scroll vacuum pump and related scroll devices. This invention features a multi-stage pump, expander, or compressor, integrating fixed and orbiting scrolls that work simultaneously to generate high vacuum or pressure. The innovative design allows for compact and energy-efficient operation, making it suitable for use in small appliances and even hand-held instruments, such as those for mass spectrometry. Another significant patent is for a compact energy cycle construction that utilizes a working fluid within a cylindrical housing, incorporating an orbiting scroll type expander and a generator. This arrangement signifies a leap in efficiency and operational compatibility for modern energy systems.

Career Highlights

Robert has made substantial contributions to companies such as Air Squared, Inc. and Puritan-Bennett Corporation, where he applied his inventive skills to create groundbreaking technologies. His work has not only advanced the field of vacuum technology but also enhanced the efficiency of energy systems, leaving a lasting impact on the industry.

Collaborations

Throughout his career, Robert has collaborated with talented individuals like Bryce R. Shaffer and Kyle Adriance. These partnerships have fostered a creative environment that has led to the successful development of several of his significant inventions.

Conclusion

Robert W. Shaffer stands as a notable figure in the realm of engineering innovation. His 20 patents attest to his dedication and ingenuity in creating advanced solutions that continue to push the boundaries of technology and efficiency. His contributions to various industries set a standard for future inventors and engineers.

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