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For the Inventor, By the Inventor

East Alton, IL, United States of America

Olin Corporation


USPTO Granted Patents = 1,963

% Expired Patents = 0.46



Trademarks = 213

Forward Citations = 25,735

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933 inventors (with patents filed for the assignee):

goldMedal Derek E Tyler (71 out of 90 patents)

silverMedal David W Cawlfield (63 out of 64 patents)

bronzeMedal Michael J Pryor (61 out of 75 patents)

4.  Deepak Mahulikar (55 out of 82 patents)

5.  Eugene Shapiro (52 out of 52 patents)

6.  Kenneth E Woodard, Jr (52 out of 52 patents)

7.  Sheldon H Butt (49 out of 50 patents)

8.  Joseph Winter (49 out of 62 patents)

9.  John F Breedis (46 out of 50 patents)

10.  Ronald L Dotson (43 out of 48 patents)

11.  John C Yarwood (43 out of 52 patents)

12.  Igor V Kadija (43 out of 44 patents)

13.  Julius C Fister (39 out of 43 patents)

14.  John A Wojtowicz (38 out of 38 patents)

15.  Jerry J Kaczur (35 out of 36 patents)


Core Competencies:
Bullets
Shotshells
Frangible Projectiles
Segmentable Slug
Industrial Ammunition
Copper Alloy
Hollow Point Bullet
Shot Cup
Sabot
Lead-Free Projectile
Jacketed Bullet
Tarnish Deterring Coating

1,963 patents:

1. 11585645 - Bullets and methods of making bullets (2023-02-21),
2. 11460279 - Fragmenting bullet (2022-10-04),
3. 10969209 - Segmenting pistol bullet (2021-04-06),
4. 10914560 - Hollow point bullet (2021-02-09),
5. 10836636 - Sodium hypochlorite compositions (2020-11-17),
6. D897484 - Cartridge (2020-09-29),
7. D885516 - Bullet (2020-05-26),
8. D857833 - Segmentable slug (2019-08-27),
9. D845427 - Segmentable slug (2019-04-09),
10. 10222185 - Shotshell with reduced dispersion of projectiles (2019-03-05),
11. 9702679 - Frangible projectile (2017-07-11),
12. 9562753 - Upset jacketed bullets (2017-02-07),
13. D773008 - Shot (2016-11-29),
14. 9434616 - Sodium hypochlorite composition and method of storing and transporting sodium hypochlorite (2016-09-06),
15. D764624 - Shouldered round nose bullet (2016-08-23),
Company Overview
Olin Corporation, headquartered in East Alton, Illinois, specializes in ammunition technology, focusing on the development and manufacturing of a wide range of ammunition products. Their expertise includes bullets, shotshells, and frangible projectiles, catering to both commercial and industrial markets. Olin is recognized for its innovative approaches in creating advanced ammunition solutions, such as segmentable slugs and hollow point bullets, utilizing materials like copper alloy to enhance performance and safety in various applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

1,963 Patents

#1 in East Alton, IL

#16 in Illinois

#265 in US

#515 in the World

East Alton, IL (US)
East Alton, IL, United States of America

Olin Corporation

Forward Citations = 25,735

933 inventors:

goldMedal Derek E Tyler (71 out of 90 patents)

silverMedal David W Cawlfield (63 out of 64 patents)

bronzeMedal Michael J Pryor (61 out of 75 patents)

4.  Deepak Mahulikar (55 out of 82 patents)

5.  Eugene Shapiro (52 out of 52 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Olin Corporation. Retrieved from https://idiyas.com/company/olin

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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