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For the Inventor, By the Inventor

Elgin, IL, United States of America

Northgate Technologies, Inc.

Calculating rank
USPTO Granted Patents = 61

% Expired Patents = 8.2



Trademarks = 10

Forward Citations = 1,457

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33 inventors (with patents filed for the assignee):

goldMedal Robert R Mantell (45 out of 45 patents)

silverMedal Peter A Manzie (12 out of 12 patents)

bronzeMedal Eric Andersen (8 out of 8 patents)

4.  Steven Weaver (6 out of 6 patents)

5.  Albert Nowosielski (6 out of 7 patents)

6.  Chip W Curtis (5 out of 36 patents)

7.  Charles Zander (5 out of 5 patents)

8.  Stan J Lipowski (3 out of 3 patents)

9.  Chuck Zander (3 out of 3 patents)

10.  Donald Millar (2 out of 2 patents)

11.  Patrick B Millar (2 out of 2 patents)

12.  Scott Carpenter (2 out of 6 patents)

13.  Raymond Jacobs (2 out of 2 patents)

14.  David Cho (2 out of 2 patents)

15.  Russell Kuzelka (2 out of 2 patents)


Core Competencies:
Electrohydraulic Lithotripsy
Surgical Access Device
Insufflation System
Fluid Flow Delivery
Medical Device Accessory
Laparoscopic Insertion
High-Flow Connector
Gas Recirculation
Carboxy Therapy Applicator
Irrigation System
Invasive Lithotripter
Resectoscope Electrode

61 patents:

1. 12678181 - Unfocused electrohydraulic lithotripter (2026-07-14),
2. 12514648 - Laparoscopic access device with real-time measurements (2026-01-06),
3. 12440265 - System and method to evoke smooth muscle response during surgery (2025-10-14),
4. 12350462 - Smoke suction flow regulator (2025-07-08),
5. 12272895 - Recessed D-subminiature connector assembly with flush mount cover (2025-04-08),
6. 12048445 - Unfocused electrohydraulic lithotripter (2024-07-30),
7. 11996649 - Recessed D-subminiature connector assembly with flush mount cover (2024-05-28),
8. 11957378 - Anti-microbial surgical access device (2024-04-16),
9. 11896794 - System for identifying the presence and correctness of a medical device accessory (2024-02-13),
10. 11672554 - Rounded invasive electrohydraulic lithotripsy probe with ports (2023-06-13),
11. 11583641 - Gas recirculation system and method (2023-02-21),
12. 11559319 - Unfocused electrohydraulic lithotripter (2023-01-24),
13. 11559318 - Radially-firing electrohydraulic lithotripsy probe (2023-01-24),
14. 10918813 - Carboxy therapy applicator (2021-02-16),
15. 10849637 - Rounded invasive electrohydraulic lithotripsy probe with ports (2020-12-01),
Company Overview
Northgate Technologies, Inc., based in Elgin, IL, specializes in the development and manufacturing of advanced surgical devices. The company focuses on innovative technologies such as electrohydraulic lithotripsy and surgical access devices, enhancing the efficiency and safety of medical procedures. Their expertise extends to insufflation systems, fluid flow delivery mechanisms, and laparoscopic insertion tools, contributing to improved surgical outcomes. Northgate is committed to advancing medical technology through research and development in these critical areas.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

61 Patents

#3 in Elgin, IL

#331 in Illinois

#5,921 in US

#11,937 in the World

Elgin, IL (US)
Elgin, IL, United States of America

Northgate Technologies, Inc.

Forward Citations = 1,457

33 inventors:

goldMedal Robert R Mantell (45 out of 45 patents)

silverMedal Peter A Manzie (12 out of 12 patents)

bronzeMedal Eric Andersen (8 out of 8 patents)

4.  Steven Weaver (6 out of 6 patents)

5.  Albert Nowosielski (6 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Northgate Technologies, Inc.. Retrieved from https://idiyas.com/company/northgate-technologies

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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