Dublin, Ireland

Sylmark Holdings Limited


USPTO Granted Patents = 66

% Expired Patents = 21.2

Trademarks = 6

Forward Citations = 1,033

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19 inventors (with patents filed for the assignee):

goldMedal Peter Spiegel (24 out of 25 patents)

silverMedal Mitchell H Babkes (14 out of 44 patents)

bronzeMedal Ali Nikkhah (9 out of 16 patents)

4.  Marsha Kent (7 out of 7 patents)

5.  Ron Lynch (6 out of 6 patents)

6.  Dean G Tornabene (4 out of 15 patents)

7.  Henry J Howell (4 out of 4 patents)

8.  Shengwen Leng (3 out of 3 patents)

9.  Guangsheng Liu (3 out of 3 patents)

10.  Robert Johnson (2 out of 2 patents)

11.  Kenneth A Tarlow (2 out of 50 patents)

12.  Dennis J Colonello (2 out of 2 patents)

13.  Steve Hecker (1 out of 1 patent)

14.  Ali Nikkah (1 out of 1 patent)

15.  Brian Fitzburgh (1 out of 1 patent)


Core Competencies:
Air Purifier
Ionic Air Purifier
Vacuum Cleaner
Coffee Maker
Therapeutic Device
Blender Apparatus
Safety Lid
Sport Bottle
Cleaning Mechanism
Combination Device
Food Preservation
Light Therapy Device

66 patents:

Company Overview
Sylmark Holdings Limited, headquartered in Dublin, Ireland, specializes in the development and manufacturing of innovative air purification technologies. The company focuses on creating advanced air purifiers, including ionic models, that enhance indoor air quality. In addition to air purification, Sylmark also produces a range of consumer products such as vacuum cleaners, coffee makers, therapeutic devices, blenders, and sport bottles, emphasizing safety and user-friendly design. Their commitment to research and development positions them as a key player in the air purification and consumer appliance sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

66 Patents

#28 in Dublin

#48 in Ireland

#11,167 in the World

Dublin, IE
Dublin, Ireland
Forward Citations = 1,033

19 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sylmark Holdings Limited. Retrieved from https://idiyas.com/company/sylmark-holdings

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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