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For the Inventor, By the Inventor

Georgetown, Canada

Mold-Masters Limited

Calculating rank
USPTO Granted Patents = 161

% Expired Patents = 2.5



Trademarks = 14

Forward Citations = 2,019

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52 inventors (with patents filed for the assignee):

goldMedal Denis L Babin (74 out of 117 patents)

silverMedal Jobst U Gellert (48 out of 188 patents)

bronzeMedal George T Olaru (29 out of 47 patents)

4.  Harald H Schmidt (15 out of 15 patents)

5.  Jonathon Fischer (11 out of 18 patents)

6.  Hans Guenther (11 out of 14 patents)

7.  Robert Sicilia (9 out of 15 patents)

8.  Neil Dewar (8 out of 12 patents)

9.  Helen Qun Zhuang (6 out of 6 patents)

10.  Itsuto Nakanishi (5 out of 6 patents)

11.  Paul Richard Matysek (5 out of 6 patents)

12.  Terry L Schwenk (3 out of 7 patents)

13.  Gino Colonico (3 out of 8 patents)

14.  Craig Renwick (3 out of 5 patents)

15.  Nin Ho (3 out of 3 patents)


Core Competencies:
Injection Molding
Hot Runner Nozzle
Valve Pin
Melt Transfer Device
Multi-Cavity Apparatus
Nozzle Seal
Thermal Seal
Mold Controller
Heated Nozzle
Melt Homogenizing
Gap Seal
Actuating Mechanism

161 patents:

1. 7306455 - Multi-position valve pin for an injection molding apparatus (2007-12-11),
2. 7306454 - Front-mountable injection molding nozzle (2007-12-11),
3. RE39935 - Multi-cavity injection molding apparatus splitting melt near nozzle front (2007-12-03),
4. 7303720 - Melt transfer device for a stack molding apparatus (2007-12-04),
5. 7270538 - Mixing device (2007-09-18),
6. 7258536 - Mold and hot runner controller located on the machine platen (2007-08-21),
7. 7255555 - Small pitch molding manifold (2007-08-14),
8. 7252498 - Hot runner nozzle with melt sealing (2007-08-07),
9. 7244118 - Hot runner nozzle and manifold seal (2007-07-17),
10. 7238019 - Injection molding nozzle and tip (2007-07-03),
11. 7236841 - Method for fast manufacturing and assembling of hot runner systems (2007-06-26),
12. 7226283 - Injection molding apparatus with a melt channel in valve pin (2007-06-05),
13. 7223092 - Nozzle tip and seal (2007-05-29),
14. 7210917 - Two position double injection molding apparatus (2007-05-01),
15. 7201335 - Injection nozzle system (2007-04-10),
Company Overview
Mold-Masters Limited, headquartered in Georgetown, CA, specializes in advanced injection molding technologies. The company is recognized for its innovative solutions in hot runner systems, including nozzles, valve pins, and melt transfer devices. Mold-Masters also focuses on multi-cavity apparatuses and thermal seals, enhancing efficiency and precision in manufacturing processes. With a commitment to research and development, the organization plays a pivotal role in the evolution of injection molding, catering to diverse industries worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

161 Patents

#1 in Georgetown

#74 in Canada

#5,128 in the World

Georgetown, CA
Georgetown, Canada

Mold-Masters Limited

Forward Citations = 2,019

52 inventors:

goldMedal Denis L Babin (74 out of 117 patents)

silverMedal Jobst U Gellert (48 out of 188 patents)

bronzeMedal George T Olaru (29 out of 47 patents)

4.  Harald H Schmidt (15 out of 15 patents)

5.  Jonathon Fischer (11 out of 18 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mold-Masters Limited. Retrieved from https://idiyas.com/company/mold-masters

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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