S. P. Industries, Inc., the Virtis Division

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 85

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6 inventors (with patents filed for the assignee):

David T Sutherland (2 out of 9 patents)

Kenneth J Tenedini (2 out of 3 patents)

Siegfried G Bart, Jr (2 out of 2 patents)

4. Miriam Blednick (1 out of 1 patent)

5. Dean B Wise (1 out of 2 patents)

6. Alan P MacKenzie (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6564471 - Method and apparatus for freeze-drying (2003-05-20),

2. 6226887 - Freeze drying methods employing vapor flow monitoring and/or vacuum pressure control (2001-05-08),

3. 6122836 - Freeze drying apparatus and method employing vapor flow monitoring (2000-09-26),

4. 5689895 - Probe positioning device for a flask freeze drying (1997-11-25),

Company Overview

S. P. Industries, Inc. is a leading provider of lab equipment and solutions. The Virtis Division specializes in advanced freeze-drying technologies, laboratory equipment, and scientific instruments. With a proven track record of innovation and quality, Virtis Division serves a wide range of industries including pharmaceutical, biotechnology, and research laboratories. Visit their website for more information.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

4 Patents

#3 in Gardiner, NY

#3,686 in New York

#60,737 in US

Gardiner, NY, United States of America