David G Welkie

This inventor holds 35 USPTO granted patents and 1 published patent application, plus 13 CIPO patents and 4 EPO patents, primarily in Mass Spectrometry. Top assignees: Perkinelmer Health Sciences, Inc., Analytica of Branford, Inc., The Perkin-Elmer Corporation. Active years: 1987-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David G Welkie. Retrieved from https://idiyas.com/inventor/david-g-welkie

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

USPTO Granted Patents = 35 (Patent Applications = 1)

% Patents Active = 74.3

CIPO Patents = 13

EPO Patents = 4 (Patent Applications = 7)

Average Co-Inventor Count = 1.7

ph-index = 14

Forward Citations = 660(Granted Patents)

Location History:

Chanhassen, MN (US) (1987)
Branford, CT (US) (2004 - 2013)
Trumbell, CT (US) (2015)
Trumbull, CT (US) (2000 - 2022)

Company Filing History:

21 out of 296

Perkinelmer Health Sciences, Inc.

patents

8 out of 55

Analytica of Branford, Inc.

patents

4 out of 801

The Perkin-Elmer Corporation

patents

4. 1 out of 1

Analytica of Brandford, Inc.

patent

5. 1 out of 33

Perkinelmer Instruments LLC

patents

Years Active: 1987-2022

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Areas of Expertise:

Dynamic Electron Impact Ion Source

RF Ion Guide

Orthogonal Acceleration

Fragmentation Methods

Mass Spectrometry

Ion Transfer

Multipole Ion Guide

Charged Particle Trapping

Vacuum-Compatible Plasma Device

Digital Signal Averager

Carrier Gas Separator

Ion Detector

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11276544 - Dynamic electron impact ion source (2022-03-15),

2. 10879030 - Dynamic electron impact ion source (2020-12-29),

3. 10796893 - RF ion guide with axial fields (2020-10-06),

4. 10692712 - Ion transfer from electron ionization sources (2020-06-23),

5. 10453666 - RF ion guide with axial fields (2019-10-22),

6. 10032617 - RF ion guide with axial fields (2018-07-24),

7. 9613788 - RF ion guide with axial fields (2017-04-04),

8. 9576782 - Orthogonal acceleration system for time-of-flight mass spectrometer (2017-02-21),

9. 9177777 - Orthogonal acceleration system for time-of-flight mass spectrometer (2015-11-03),

10. 9129790 - Orthogonal acceleration TOF with ion guide mode (2015-09-08),

11. 8981290 - Fragmentation methods for mass spectrometry (2015-03-17),

12. 8975580 - Orthogonal acceleration system for time-of-flight mass spectrometer (2015-03-10),

13. 8921803 - Electrostatic lenses and systems including the same (2014-12-30),

14. 8723107 - Multipole ion guide interface for reduced background noise in mass spectrometry (2014-05-13),

15. 8686356 - Fragmentation methods for mass spectrometry (2014-04-01),

Title: Unveiling the Inventive Mind of David G Welkie

Introduction:

David G Welkie, a renowned inventor hailing from Trumbull, CT, is making waves in the field of ion sources with an impressive portfolio of 35 patents under his belt. His innovative contributions have significantly advanced the realm of dynamic electron impact ion sources, showcasing his prowess in merging magnetic and electric fields to enhance sample constituent manipulation. Let's delve deeper into the world of this visionary inventor.

Latest Patents:

Welkie's latest patents focus on dynamic electron impact ion sources, where he ingeniously utilizes a magnetic field generator to impact the ionized sample constituents' path as they navigate through the source. By incorporating an electric field generator within the ion source chamber, he effectively counteracts the magnetic field's influence, ensuring precise and controlled manipulation of the sample constituents. This innovative approach underscores Welkie's commitment to pushing boundaries and creating solutions that are both efficient and effective.

Career Highlights:

Having worked at esteemed companies such as PerkinElmer Health Sciences, Inc., and Analytica of Branford, Inc., Welkie has honed his skills and expertise in the realm of ion sources. His experience in these leading organizations has not only shaped his innovative mindset but also fostered a deep understanding of the industry's demands and challenges. Welkie's commitment to excellence and passion for invention have been instrumental in shaping his remarkable career trajectory.

Collaborations:

Throughout his career, Welkie has had the privilege of collaborating with talented individuals like Craig M Whitehouse and Lisa Cousins. Their synergistic efforts have led to groundbreaking developments in the field of ion sources, showcasing the power of teamwork and shared vision. These collaborations have not only enriched Welkie's creative process but have also paved the way for novel inventions that have left a lasting impact on the industry.

Conclusion:

In conclusion, David G Welkie stands as a beacon of innovation in the realm of ion sources, with his trailblazing patents and collaborative spirit defining him as a true visionary. His relentless pursuit of excellence and his ability to merge magnetic and electric fields with precision highlight Welkie's ingenuity and commitment to advancing technological frontiers. As Welkie continues to push the boundaries of invention, one thing remains certain – his contributions will shape the future of ion sources for years to come.

Profile summary based on public USPTO records.