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For the Inventor, By the Inventor

York, PA, United States of America

Graham Engineering Corporation


USPTO Granted Patents = 58

% Expired Patents = 3.4



Trademarks = 17

Forward Citations = 540

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28 inventors (with patents filed for the assignee):

goldMedal John Madden Mathy, Jr (17 out of 18 patents)

silverMedal Dennis L Dundas (13 out of 13 patents)

bronzeMedal David N Fiorani (12 out of 12 patents)

4.  Paul W Klinedinst, Sr (9 out of 9 patents)

5.  Eugene L Moore (8 out of 8 patents)

6.  Milton Briggs (8 out of 8 patents)

7.  Paul M Oles (7 out of 11 patents)

8.  Kristopher J Ivie (5 out of 7 patents)

9.  Rolf E Weingardt (5 out of 5 patents)

10.  Erich Otto Teutsch (3 out of 32 patents)

11.  Jean F Rubie (3 out of 5 patents)

12.  Jeffrey D Gordon (2 out of 2 patents)

13.  Thomas Smeltzer (2 out of 2 patents)

14.  Frederick J Shepps (2 out of 2 patents)

15.  Stephen Decatur Maxson (1 out of 1 patent)


Core Competencies:
Blow Molding
Extrusion
Plastic Bottles
Modular Clamp Station
In-Mold Labeling
Multi-Layer Parison
Trimming Apparatus
Rotary Machines
Accumulator Head
Seal Ring
Take-Out Device
Mold Clamp Assembly

58 patents:

1. 10913194 - Device and method for continuously extruding tubing having different materials (2021-02-09),
2. 10532508 - Seal ring for vent saddle in extrusion barrel (2020-01-14),
3. D794468 - Container (2017-08-15),
4. 9475228 - Adjustable platen assembly for use in a clamp station (2016-10-25),
5. 9308685 - Plastic bottle log trimmer and method (2016-04-12),
6. 8961861 - Mold clamp opening/closing device (2015-02-24),
7. D722273 - Container (2015-02-10),
8. D719456 - Jar (2014-12-16),
9. 8864485 - Adjustable platen assembly for use in a clamp station (2014-10-21),
10. 8814553 - Modular clamp station (2014-08-26),
11. 8647103 - Modular clamp station with variable pitch (2014-02-11),
12. 8573963 - Adjustable multiple-piece cam track (2013-11-05),
13. 8485810 - Blow molding apparatus (2013-07-16),
14. 8454342 - Modular clamp station (2013-06-04),
15. 8356991 - Rotary blow molding machine with movable clamp assemblies and method (2013-01-22),
Company Overview
Graham Engineering Corporation, based in York, PA, specializes in advanced blow molding technology, focusing on the development and manufacturing of equipment for producing plastic bottles and containers. The company is recognized for its innovative solutions in blow molding, extrusion, and in-mold labeling, catering to diverse industries. Key offerings include modular clamp stations, multi-layer parison systems, and rotary machines, which enhance production efficiency and product quality in the plastic manufacturing sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Graham Engineering Corporation USPTO Patent Assignee Logo
58 Patents

#4 in York, PA

#234 in Pennsylvania

#6,157 in US

#12,395 in the World

York, PA (US)
York, PA, United States of America

Graham Engineering Corporation

Forward Citations = 540

28 inventors:

goldMedal John Madden Mathy, Jr (17 out of 18 patents)

silverMedal Dennis L Dundas (13 out of 13 patents)

bronzeMedal David N Fiorani (12 out of 12 patents)

4.  Paul W Klinedinst, Sr (9 out of 9 patents)

5.  Eugene L Moore (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graham Engineering Corporation. Retrieved from https://idiyas.com/company/graham-engineering

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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