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For the Inventor, By the Inventor

Irvine, PA, United States of America

National Forge Company


USPTO Granted Patents = 26


Forward Citations = 172

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12 inventors (with patents filed for the assignee):

goldMedal Ashok K Khare (12 out of 13 patents)

silverMedal Donald E Witkin (5 out of 5 patents)

bronzeMedal Andrew Stephenson Crum (4 out of 4 patents)

4.  Arnold G Bowles (4 out of 4 patents)

5.  Michael Scott (2 out of 2 patents)

6.  Paul Duliba (2 out of 2 patents)

7.  James D Ruhlman (1 out of 1 patent)

8.  Hendrik Van Leemput (1 out of 1 patent)

9.  Herman Raes (1 out of 1 patent)

10.  Eduard L Papen (1 out of 1 patent)

11.  Melvin E Speicher (1 out of 1 patent)

12.  Ashok E Khare (1 out of 1 patent)


26 patents:

1. 5334269 - Interrupted normalization heat treatment process (1994-08-02),
2. 5330707 - Steel for making very large pipe molds (1994-07-19),
3. 5305505 - Process of making a multi-section bomb casing (1994-04-26),
4. 5174836 - Interrupted normalization heat treatment process (1992-12-29),
5. 4992239 - Khare steel (1991-02-12),
6. 4919735 - Khare pipe mold steel (1990-04-24),
7. 4861549 - Roller caster shell steel (1989-08-29),
8. 4818301 - Process for producing large section, large mass forged sleeves from (1989-04-04),
9. 4781768 - Full length forging method for producing large section, large mass (1988-11-01),
10. 4714499 - Full length forging method for producing large section, large mass (1987-12-22),
11. 4714498 - Process for producing large section, large mass forged sleeves from (1987-12-22),
12. 4608851 - Warm-working of austenitic stainless steel (1986-09-02),
13. 4602769 - Apparatus for the cooling of articles which have been subjected to an (1986-07-29),
14. 4601322 - Weld forming of pipe molds (1986-07-22),
15. 4599502 - Induction hardening of steel (1986-07-08),
National Forge Company is a leading manufacturing company specializing in precision forging and machining services. With over 100 years of experience, we offer innovative solutions and high-quality products to industries such as automotive, defense, aerospace, and more. Our state-of-the-art facilities and skilled workforce enable us to meet the most demanding requirements and deliver exceptional results. Visit our website to learn more about our capabilities and how we can assist your business.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

26 Patents

#1 in Irvine, PA

#467 in Pennsylvania

#12,450 in US

#24,090 in the World

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Irvine, PA, United States of America

National Forge Company

Forward Citations = 172

12 inventors:

goldMedal Ashok K Khare (12 out of 13 patents)

silverMedal Donald E Witkin (5 out of 5 patents)

bronzeMedal Andrew Stephenson Crum (4 out of 4 patents)

4.  Arnold G Bowles (4 out of 4 patents)

5.  Michael Scott (2 out of 2 patents)

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