Fitchburg, WI, United States of America

Donald R Wellnitz

This inventor holds 15 USPTO granted patents and 1 EPO patent, primarily in Medical Imaging. Top assignees: Adac Laboratories, Inc., Koninklijke Philips Corporation N.v.. Active years: 1996-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald R Wellnitz. Retrieved from https://idiyas.com/inventor/donald-r-wellnitz

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

Calculating rank

% Patents Active = 73.3


Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 329(Granted Patents)


Location History:

  • Pleasanton, CA (US) (1996 - 2002)
  • Fitchburg, WI (US) (2004 - 2010)

Company Filing History:


Years Active: 1996-2010

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Areas of Expertise:
Analog To Digital Conversion
Time-In-Flight Imaging
Signal Correlation Filter
Multimodality Imaging
Calibration Methods
Pulse Pile-Up Corrections
Gamma Camera
Nuclear Medicine Camera
Digital Compression Table
Spatial Variations
Patient Handling Assembly
Event Driven Baseline Correction
15 patents (USPTO):Explore Patents

Title: The Innovations of Donald R. Wellnitz: A Journey in Medical Imaging Technology

Introduction: Donald R. Wellnitz, an inventive mind hailing from Fitchburg, WI, has made significant contributions to the field of medical imaging technology. With a remarkable portfolio of 15 patents to his name, Wellnitz's work has advanced our understanding and capabilities in nuclear medicine.

Latest Patents: Among his latest innovations, Wellnitz has developed methods that tackle challenges in medical imaging. One patent focuses on "Analog to Digital Conversion Shift Error Correction," which is a method for ameliorating energy values of pulses from nuclear medicine cameras. This method includes identifying a relationship expressed in code between a subset of samples and using a conversion table to apply the appropriate conversion factor, ultimately correcting energy values for enhanced measurement accuracy. Additionally, he has devised a "Method of Constructing Time-in-Flight PET Images," which reconstructs time-of-flight images by profiling the subject being imaged and removing data from radiation events outside the necessary profile, thus improving the clarity of imaging results.

Career Highlights: Throughout his career, Wellnitz has worked with reputable companies such as Adac Laboratories, Inc. and Koninklijke Philips Corporation N.V. His tenure at these organizations has allowed him to apply his innovative ideas in practical settings, leading to advancements in medical technology.

Collaborations: In his professional journey, Wellnitz has collaborated with notable individuals, including Michael J. Petrillo and Thomas E. Scharf. These partnerships have facilitated the sharing of ideas and expertise that have contributed to the successful development of his patents.

Conclusion: Donald R. Wellnitz's contributions to medical imaging through his innovative patents are highly commendable. His work, particularly in correcting analog to digital conversion errors and reconstructing PET images, showcases his dedication to improving healthcare technology. As he continues to innovate, the medical community eagerly anticipates the impact of his future inventions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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