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For the Inventor, By the Inventor

Taipei, Taiwan

Perfect Union Co., Ltd.


USPTO Granted Patents = 49

% Expired Patents = 8.2

Forward Citations = 1,162

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3 inventors (with patents filed for the assignee):

goldMedal Chan Ching (40 out of 41 patents)

silverMedal Ching Chan (9 out of 24 patents)

bronzeMedal Chad J Ricker (5 out of 32 patents)


Core Competencies:
Portable Boiling Water Heater
Foldable Motorized Vehicle
Cooling Fan
Electric Heater
Multimedia Speaker
Chargeable Fan
Air Filter
Rotation Speed Controller
Overheating Protector
Ceramic Electric Heater
Industrial Heater
Humidifier

49 patents:

1. D907751 - Portable boiling water heater (2021-01-12),
2. D809974 - Foldable motorized vehicle (2018-02-13),
3. 9533729 - Foldable electrically powered vehicle (2017-01-03),
4. 9447981 - Cooling fan having detachable heater (2016-09-20),
5. D765559 - Foldable motorized vehicle (2016-09-06),
6. 9339827 - Portable misting fan (2016-05-17),
7. 8894049 - Fan heater with humidifier (2014-11-25),
8. D701950 - Ceiling electronic heater (2014-04-01),
9. D691250 - Electronic heater (2013-10-08),
10. D680636 - Electronic humidifier and heater (2013-04-23),
11. D674067 - Bedside cabinet electronic heater (2013-01-08),
12. D671095 - Multimedia speaker (2012-11-20),
13. D652903 - Electric heater (2012-01-24),
14. D617440 - Chargeable fan (2010-06-08),
15. D616080 - Electric heater (2010-05-18),
Company Overview
Perfect Union Co., Ltd., based in Taipei, Taiwan, specializes in the development and manufacturing of innovative consumer products. The company focuses on a diverse range of technologies, including portable boiling water heaters, foldable motorized vehicles, and various heating and cooling solutions. Their expertise extends to multimedia speakers, chargeable fans, air filters, and rotation speed controllers, showcasing a commitment to enhancing everyday convenience and comfort through advanced engineering and design.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Perfect Union Co., Ltd. USPTO Patent Assignee Logo
49 Patents

#83 in Taipei

#408 in Taiwan

#14,293 in the World

Taipei, TW
Taipei, Taiwan

Perfect Union Co., Ltd.

Forward Citations = 1,162

3 inventors:

goldMedal Chan Ching (40 out of 41 patents)

silverMedal Ching Chan (9 out of 24 patents)

bronzeMedal Chad J Ricker (5 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Perfect Union Co., Ltd.. Retrieved from https://idiyas.com/company/perfect-union-company

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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