Location History:
- Pittsbugh, PA (US) (2006 - 2007)
- Pittsburgh, PA (US) (1998 - 2016)
Company Filing History:
10 out of 12 
3 out of 295 
2 out of 461 
Years Active: 1998-2016
Title: Edward William Sheehan: Innovator in Mass Spectrometry
Introduction
Edward William Sheehan is a distinguished inventor based in Pittsburgh, PA, known for his significant contributions to the field of mass spectrometry. With an impressive portfolio of 26 patents, Sheehan has demonstrated his expertise in developing innovative technologies that enhance analytical processes.
Latest Patents
Among his latest inventions, Sheehan developed a novel **Atmospheric Pressure Ion Source for Mass Spectrometry**. This innovative apparatus comprises multiple liquid inlet probes designed to allow sprays from two or more probes to intersect in a common mixing region. This design ensures that gas-phase sample ions or neutral species generated from one probe can interact with reagent gas ions produced from other probes through various ionization techniques, including Electrospray, photoionization, corona discharge, and glow discharge ionization. His work emphasizes optimal selection of reagent ions to enable Atmospheric Pressure Chemical Ionization of neutral sample molecules and facilitate charge reduction or electron transfer dissociation of multiply charged sample ions. The intricacy of his inventions permits alternating operation modes that can be managed manually or via software control.
Career Highlights
Sheehan's extensive career includes partnerships with reputable companies, such as Chem-space Associates, Inc., where he further refined his innovative approaches to mass spectrometry. His inventive spirit is evident through each patent, reflecting his dedication to overcoming challenges in analytical chemistry.
Collaborations
Throughout his career, Sheehan collaborated with several talented individuals, including Ross Clark Willoughby and Craig M Whitehouse. These collaborative efforts have contributed to advancements in their field and showcased the power of teamwork in fostering innovation.
Conclusion
Edward William Sheehan stands out as a pivotal figure in the landscape of mass spectrometry innovation. His contributions through multiple patents signify not only his talent as an inventor but also the potential for technological advancements that enhance scientific research and analysis. As he continues to push boundaries in his field, the impact of his work will remain significant in the analytics community.