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For the Inventor, By the Inventor

Doncaster, United Kingdom

Portola Packaging Limited


USPTO Granted Patents = 132


Trademarks = 4

Forward Citations = 3,031

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54 inventors (with patents filed for the assignee):

goldMedal Daniel Randolph Luch (54 out of 108 patents)

silverMedal Brian M Adams (35 out of 62 patents)

bronzeMedal Richard D Lohrman (26 out of 26 patents)

4.  Mike Xiaoli Ma (18 out of 22 patents)

5.  Richard E Repp (17 out of 33 patents)

6.  Rawson L Chenault (14 out of 15 patents)

7.  Gerry Mavin (10 out of 10 patents)

8.  Rodger A Moody (10 out of 10 patents)

9.  Steven H Bietzer (8 out of 8 patents)

10.  Laszlo G Sandor (7 out of 7 patents)

11.  Sungsuk Steve Kim (6 out of 27 patents)

12.  Richard A Gross (5 out of 51 patents)

13.  Timothy Stephenson (5 out of 5 patents)

14.  Gerald M Blain (5 out of 5 patents)

15.  Luca Molinaro (4 out of 10 patents)


Core Competencies:
Scallop Cap Closures
Flip-Top Closure
Dispensing Closure
Frangible Membrane
Tamper-Evident Closure
Container Closure
Tapered Thread Structure
Hinged Lid Closure
Pressure Release System
Pull Tab Closure
Spill-Reduction Cap
Snap-On Screw-Off Cap

132 patents:

1. 8646635 - Scallop cap closures (2014-02-11),
2. D668153 - Flip-top closure (2012-10-02),
3. 8016159 - Twist open closure having inclined frangible membrane (2011-09-13),
4. D636673 - Dispensing closure (2011-04-26),
5. D636672 - Dispensing closure (2011-04-26),
6. D636671 - Dispensing closure (2011-04-26),
7. 7909188 - Composite lined closure (2011-03-22),
8. 7891511 - Scallop cap closures (2011-02-22),
9. 7832579 - Manufacture of removable manufacture sealing components for consumer packaging (2010-11-16),
10. D626413 - Lid for a two piece dispensing closure (2010-11-02),
11. D626412 - Dispensing closure (2010-11-02),
12. D626411 - Closure for container (2010-11-02),
13. D626410 - Bottom for a dispensing closure (2010-11-02),
14. 7810681 - Internal container bore mount fitment (2010-10-12),
15. 7802690 - Closure having expanded peripheral surface (2010-09-28),
Portola Packaging Limited is a leading manufacturer of packaging solutions for the food and beverage industry. With a focus on delivering innovative and sustainable packaging, Portola Packaging has established itself as a trusted partner for many global brands. Their comprehensive range of products includes plastic closures, caps, and lids, as well as containers and bottles. With a commitment to quality and customer satisfaction, Portola Packaging strives to exceed industry standards and deliver world-class packaging solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 13 2026

132 Patents

#1 in Doncaster

#126 in United Kingdom

#5,936 in the World

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Doncaster, United Kingdom

Portola Packaging Limited

Forward Citations = 3,031

54 inventors:

goldMedal Daniel Randolph Luch (54 out of 108 patents)

silverMedal Brian M Adams (35 out of 62 patents)

bronzeMedal Richard D Lohrman (26 out of 26 patents)

4.  Mike Xiaoli Ma (18 out of 22 patents)

5.  Richard E Repp (17 out of 33 patents)

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