Nufringen, Germany

Siegfried Walter Kaestle

This inventor holds 11 USPTO granted patents and 2 published patent applications. Top assignees: Hewlett-Packard Company, Koninklijke Philips Corporation N.v.. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Siegfried Walter Kaestle. Retrieved from https://idiyas.com/inventor/siegfried-walter-kaestle

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

USPTO Granted Patents = 11 

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 1,139(Granted Patents)


Location History:

  • Nufringen, DE (1991 - 2018)
  • Nuffringen, DE (2018 - 2019)

Company Filing History:


Years Active: 1991-2019

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11 patents (USPTO):Explore Patents

Title: The Innovations of Siegfried Walter Kaestle

Introduction

Siegfried Walter Kaestle is an accomplished inventor based in Nuffringen, Germany, known for his groundbreaking contributions to health monitoring technologies. With a remarkable portfolio of 11 patents, he has developed innovative systems aimed at enhancing medical diagnostics, particularly in assessing vital signs and oxygenation levels in patients.

Latest Patents

Among Kaestle's latest inventions is a "System for screening of the state of oxygenation of a subject." This invention focuses on screening newborn babies for congenital heart disease. The system features an imaging unit that captures image frames of the subject over time, utilizing a conventional video camera as a contactless pulse oximeter to create a body map indicating blood oxygen saturation. By comparing selected body areas, the system can help detect anomalies in heart and circuitry functions.

Additionally, he developed a "Device and method for obtaining vital sign information of a living being." This device incorporates a detection unit that captures light reflected from a specific region of interest on a living being, generating an input signal. The processing unit then analyzes this signal to derive vital signs using remote photoplethysmography, supported by an illumination unit and a control unit that manages the light based on the input signal and derived vital sign information.

Career Highlights

Kaestle has had a distinguished career, having worked with notable companies such as Hewlett-Packard and Koninklijke Philips Corporation. His experiences at these renowned institutions have undoubtedly influenced his innovative spirit and technical acumen, allowing him to contribute significantly to the fields of technology and healthcare.

Collaborations

Throughout his career, Kaestle has collaborated with talented individuals, including Hedwig Block and Michael Block. Their joint efforts have played a crucial role in advancing the technologies he has pioneered, fostering an environment of shared knowledge and innovation.

Conclusion

Siegfried Walter Kaestle's contributions to the field of medical technology exemplify the spirit of innovation that drives progress in healthcare. His inventions, focused on vital sign monitoring and oxygenation screening, reflect his commitment to improving patient outcomes and enhancing diagnostic capabilities. As he continues to develop new technologies, his impact on the industry is sure to be felt for years to come.

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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