Trademarks = 3

Forward Citations = 43

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5 inventors (with patents filed for the assignee):

Lee H Leiner (8 out of 8 patents)

James E Burd (6 out of 6 patents)

Robert M Gaydos (4 out of 5 patents)

4. Edward W Kifer (1 out of 6 patents)

5. Thomas D Traubert (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 6342098 - Deacidification of cellulose based materials using hydrofluoroether carriers (2002-01-29),

2. 6325982 - Method and apparatus for the deacidification of library materials (2001-12-04),

3. 6080448 - Deacidification of cellulose based materials using hydrofluoroether (2000-06-27),

4. 6060108 - Method for revealing hidden watermarks (2000-05-09),

5. 5956860 - Method and apparatus for the deacidification of library materials (1999-09-28),

6. 5770148 - Method and apparatus for the deacidification of library materials (1998-06-23),

7. 5422147 - Method and apparatus for the deacidification of library materials (1995-06-06),

8. 5409736 - Deacidification of cellulose based materials using perfluorinated (1995-04-25),

Company Overview

Preservation Technologies LP is a leading provider of archival and conservation services for libraries, museums, and cultural institutions. With over 30 years of experience, we specialize in preserving and protecting valuable collections through digitization, conservation treatment, and storage solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#9 in Cranberry Township, PA

#1,305 in Pennsylvania

#35,941 in US

Cranberry Township, PA, United States of America

Preservation Technologies LP

Forward Citations = 43

5 inventors:

Lee H Leiner (8 out of 8 patents)

James E Burd (6 out of 6 patents)

Robert M Gaydos (4 out of 5 patents)

4. Edward W Kifer (1 out of 6 patents)

5. Thomas D Traubert (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Preservation Technologies LP. Retrieved from https://idiyas.com/company/preservation-technologies

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

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]