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For the Inventor, By the Inventor

Iselin, NJ, United States of America

Engelhard Corporation


USPTO Granted Patents = 623

% Expired Patents = 7.5



Trademarks = 34

Forward Citations = 14,065

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525 inventors (with patents filed for the assignee):

goldMedal Robert J Farrauto (42 out of 54 patents)

silverMedal Joseph Charles Dettling (34 out of 84 patents)

bronzeMedal Steven M Kuznicki (32 out of 41 patents)

4.  Ronald Marshall Heck (31 out of 35 patents)

5.  Barry Keven Speronello (29 out of 58 patents)

6.  Michel Deeba (27 out of 63 patents)

7.  Jeffrey Barmont Hoke (23 out of 48 patents)

8.  James M Chen (23 out of 30 patents)

9.  Mitchell J Willis (20 out of 25 patents)

10.  Kenneth Edwin Voss (19 out of 44 patents)

11.  Gerald Steven Koermer (18 out of 20 patents)

12.  Chung-Zong Wan (16 out of 26 patents)

13.  John Joseph Steger (15 out of 33 patents)

14.  David M Stockwell (14 out of 37 patents)

15.  Shiang Sung (14 out of 49 patents)


Core Competencies:
NOx Control
Hydrocarbon Adsorption
Emission Reduction
FCC Catalysts
Diesel Oxidation
Catalyst Composition
ZSM-5 Synthesis
Hydrogenation Process
Pigment Materials
Selective Oxidation
Soot Filter
Platinum Group Catalysts

623 patents:

1. 7678735 - FCC additive for partial and full burn NOx control (2010-03-16),
2. 7361626 - Supported catalyst (2008-04-22),
3. 7351393 - Star shaped alumina extrudates and catalyst based thereon (2008-04-01),
4. 7344695 - In-situ ZSM-5 synthesis (2008-03-18),
5. 7335695 - Powder coating precursors and the use thereof in powder coating compositions (2008-02-26),
6. 7332148 - [object Object] (2008-02-19),
7. 7285695 - Hydrogenation of hydrocarbon resins (2007-10-23),
8. 7279037 - Process and products of chinese kaolin (2007-10-09),
9. 7278410 - Hydrocarbon adsorption trap for controlling evaporative emissions from EGR valves (2007-10-09),
10. 7276212 - Exhaust articles for internal combustion engines (2007-10-02),
11. 7271125 - Coated metal substrate (2007-09-18),
12. 7208128 - Manganese-based oxidation catalyst (2007-04-24),
13. RE39553 - SOx tolerant NOx trap catalysts and methods of making and using the same (2007-04-09),
14. 7196034 - Nickel-iron-silica-alumina (2007-03-27),
15. 7189454 - Carbon coated high luster materials (2007-03-13),
Engelhard Corporation, headquartered in Iselin, NJ, specializes in catalyst technologies that play a crucial role in emission reduction and environmental sustainability. The company focuses on advanced solutions for NOx control, hydrocarbon adsorption, and diesel oxidation, contributing significantly to cleaner air initiatives. Engelhard's expertise extends to FCC catalysts, catalyst composition, and ZSM-5 synthesis, supporting various industries in enhancing efficiency and compliance with environmental standards.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Engelhard Corporation
623 Patents

#1 in Iselin, NJ

#45 in New Jersey

#800 in US

#1,582 in the World

Iselin, NJ (US)
Iselin, NJ, United States of America

Engelhard Corporation

Forward Citations = 14,065

525 inventors:

goldMedal Robert J Farrauto (42 out of 54 patents)

silverMedal Joseph Charles Dettling (34 out of 84 patents)

bronzeMedal Steven M Kuznicki (32 out of 41 patents)

4.  Ronald Marshall Heck (31 out of 35 patents)

5.  Barry Keven Speronello (29 out of 58 patents)

Please report any incorrect information to [email protected]
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