logo

For the Inventor, By the Inventor

Eindhoven, Netherlands

Francis J Span

This inventor holds 10 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1984-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis J Span. Retrieved from https://idiyas.com/inventor/francis-j-span

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 158(Granted Patents)


Company Filing History:

goldMedal10 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1984-1996

Loading Chart...
10 patents (USPTO):Explore Patents
1. 5537208 - Interferometer spectrometer having means for varying the optical path (1996-07-16),
2. 5462557 - Disc-type depilation apparatus with force transmission studs (1995-10-31),
3. 5012506 - Multileaf collimator (1991-04-30),
4. 4924781 - Patient support system for radiotherapy (1990-05-15),
5. 4885998 - Patient support system for radiotherapy (1989-12-12),
6. 4836520 - Radiology patient support (1989-06-06),
7. 4776670 - Optical assembly (1988-10-11),
8. 4774411 - Gamma tomography apparatus (1988-09-27),
9. 4511275 - Clamping mechanism (1985-04-16),
10. 4459485 - Gamma tomography apparatus comprising a parallelogram suspension system (1984-07-10),

Title: The Innovative Contributions of Francis J Span

Introduction

Francis J Span is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of technology, holding a total of 10 patents. His work primarily focuses on advancements in optical devices and depilation apparatuses.

Latest Patents

One of Span's latest patents is an "Interferometer spectrometer having means for varying the optical path." This invention features a beam splitter, fixed mirrors, and path length variation means, all mounted on a casting to ensure precise alignment. Another significant patent is the "Disc-type depilation apparatus with force transmission studs." This apparatus includes pinching discs that are designed to effectively remove hair through a unique mechanism involving pivotable discs and force transmission paths.

Career Highlights

Francis J Span is associated with U.S. Philips Corporation, where he has contributed to various innovative projects. His expertise in optical technology and depilation devices has positioned him as a key figure in his field.

Collaborations

Throughout his career, Span has worked alongside notable colleagues, including Albert R Bertram and Johannes W Coenders. These collaborations have further enhanced the impact of his inventions.

Conclusion

Francis J Span's innovative work and patents reflect his dedication to advancing technology in optical devices and personal care. His contributions continue to influence the industry and inspire future innovations.

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]
Loading…