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For the Inventor, By the Inventor

Tiffin, OH, United States of America

National Machinery LLC


USPTO Granted Patents = 25

% Expired Patents = 12.0


Trademarks = 8

Forward Citations = 65

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14 inventors (with patents filed for the assignee):

goldMedal Jeffrey W Carper (10 out of 10 patents)

silverMedal Thomas E Hay (8 out of 9 patents)

bronzeMedal Donald E Krintzline (6 out of 6 patents)

4.  Stanley J Wasserman (5 out of 7 patents)

5.  Mark W Bordner (4 out of 4 patents)

6.  Aaron T Hall (3 out of 5 patents)

7.  Douglas M Hoerig (3 out of 3 patents)

8.  Christopher W Snavely (2 out of 4 patents)

9.  James A Gase (2 out of 2 patents)

10.  Todd Hossler (2 out of 2 patents)

11.  Michael W Rindfuss (1 out of 1 patent)

12.  Laurence W Kelbley (1 out of 1 patent)

13.  Robert E Wisebaker (1 out of 14 patents)

14.  James D Linthicum (1 out of 1 patent)

15.  Matthew W Rindfuss (0 patent)


Core Competencies:
Cartridge Case
Forging Machine
Robotic Handler
Point Forming
Die Segment
Hose Fitting
Cold-Forming
Anti-Friction Bearings
Extrusion
Poppet Pin Ejector
Turned Blank Monitor
Dropper

25 patents:

1. 11333473 - Long cartridge case (2022-05-17),
2. 10495430 - Long cartridge case (2019-12-03),
3. 10369622 - Precision forged cartridge case (2019-08-06),
4. 10300515 - Point forming processes (2019-05-28),
5. 10160034 - Sideways forming (2018-12-25),
6. 10099272 - Forging machine with robotic handler (2018-10-16),
7. 10058940 - Impact cutoff (2018-08-28),
8. 9802242 - Forging machine with robotic handler (2017-10-31),
9. 9586246 - Down conveyor (2017-03-07),
10. 9545659 - Poppet pin ejector (2017-01-17),
11. 9120143 - Cut-off end surface improvement (2015-09-01),
12. 9120138 - Forged sideways extrusion (2015-09-01),
13. 9016184 - Precision forged cartridge case (2015-04-28),
14. 8813533 - Point forming processes (2014-08-26),
15. D696317 - Die segment for a progressive former (2013-12-24),
Company Overview
National Machinery LLC, based in Tiffin, Ohio, specializes in the design and manufacture of advanced machinery for the cold forming and metalworking industries. The company is recognized for its innovative solutions that enhance production efficiency and product quality. With a strong focus on engineering excellence, National Machinery develops technologies that cater to a global market, providing equipment and services that support a wide range of manufacturing applications. Their commitment to research and development ensures they remain at the forefront of industry advancements.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

25 Patents

#2 in Tiffin, OH

#589 in Ohio

#13,370 in US

#25,730 in the World

Tiffin, OH (US)
Tiffin, OH, United States of America

National Machinery LLC

Forward Citations = 65

14 inventors:

goldMedal Jeffrey W Carper (10 out of 10 patents)

silverMedal Thomas E Hay (8 out of 9 patents)

bronzeMedal Donald E Krintzline (6 out of 6 patents)

4.  Stanley J Wasserman (5 out of 7 patents)

5.  Mark W Bordner (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: National Machinery LLC. Retrieved from https://idiyas.com/company/national-machinery

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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