For the Inventor, By the Inventor

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Duncansville, PA, United States of America

F. L. Smithe Machine Company, Inc.

USPTO Granted Patents = 30

Trademarks = 1

Forward Citations = 422

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21 inventors (with patents filed for the assignee):

Herbert W Helm (15 out of 15 patents)

Eliot S Smithe (8 out of 8 patents)

Michael P Lambert (5 out of 9 patents)

4. Henry J Mueller (3 out of 3 patents)

5. Jason H Wilkinson (3 out of 3 patents)

6. John W Gardiner (2 out of 2 patents)

7. Ronald G Himmel (2 out of 2 patents)

8. John R Anderson (2 out of 3 patents)

9. Hans Theo Heister (1 out of 1 patent)

10. Elliot S Smithe (1 out of 1 patent)

11. Dennis G Prough (1 out of 1 patent)

12. William R Hornung (1 out of 1 patent)

13. Ilya D Khrakovsky (1 out of 1 patent)

14. Fredrick L Steinbeiser (1 out of 1 patent)

15. Gaylard M Morgan (1 out of 2 patents)

Core Competencies:

Sheet Folding

Envelope Blanks

Folding Mechanism

Feeding System

Rotary Printer

Window Patches

Collating

Stacked Sheets

Tension Control

Cutter Mechanism

Gumming Apparatus

30 patents: Sort by Forward Citations

1. 6210309 - Sheet folding method and apparatus utilizing convex folder and guide (2001-04-03),

2. 6155554 - Multiple action shovel feed mechanism for stacked sheets (2000-12-05),

3. 6095961 - Radial aligner and folding mechanism (2000-08-01),

4. 6068253 - Adjustable sheet separating device (2000-05-30),

5. 5899128 - Apparatus for changing the length of envelope blanks cut from a (1999-05-04),

6. 5807228 - Sheet folding method and apparatus (1998-09-15),

7. 5778781 - Method and apparatus for printing on opposite sides of a web (1998-07-14),

8. 5642878 - Method and apparatus for separating sheets fed from the bottom of a stack (1997-07-01),

9. 5524876 - Method and apparatus for delivering and stacking envelopes in an (1996-06-11),

10. 5480085 - Method and apparatus for controlling tension between variable speed (1996-01-02),

11. 5241884 - Apparatus for changing the length of envelope blanks cut from a (1993-09-07),

12. 5100371 - Envelope blank forming machine (1992-03-31),

13. 5094658 - Vacuum side-folder section for envelope blank folding apparatus (1992-03-10),

14. 5088407 - Rotary printer for an envelope machine (1992-02-18),

15. 5019030 - Envelope blank forming machine (1991-05-28),

Company Overview

F. L. Smithe Machine Company, Inc. specializes in the design and manufacture of advanced machinery and equipment for the corrugated packaging industry. Based in Duncansville, PA, the company focuses on innovative solutions that enhance production efficiency and product quality. Their expertise encompasses a range of technologies, including automation and precision engineering, catering to the needs of clients in various sectors of the packaging market. F. L. Smithe is committed to delivering high-performance machinery tailored to meet evolving industry demands.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

30 Patents

#1 in Duncansville, PA

#406 in Pennsylvania

#11,279 in US

#21,912 in the World

Duncansville, PA, United States of America

F. L. Smithe Machine Company, Inc.

Forward Citations = 422

21 inventors:

Herbert W Helm (15 out of 15 patents)

Eliot S Smithe (8 out of 8 patents)

Michael P Lambert (5 out of 9 patents)

4. Henry J Mueller (3 out of 3 patents)

5. Jason H Wilkinson (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: F. L. Smithe Machine Company, Inc.. Retrieved from https://idiyas.com/company/f-l-smithe-machine-company

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]

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