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Canton, OH, United States of America

Dlhbowles, Inc.

USPTO Granted Patents = 46

% Expired Patents = 8.7

EPO Patents = 25

Forward Citations = 112

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34 inventors (with patents filed for the assignee):

Shridhar Gopalan (22 out of 38 patents)

Chunling Zhao (15 out of 21 patents)

Gregory Adam Russell (11 out of 29 patents)

4. Evan Hartranft (10 out of 14 patents)

5. Russell Hester (9 out of 21 patents)

6. Alan Romack (6 out of 14 patents)

7. Benjamin D Hasday (4 out of 4 patents)

8. Christopher F South (4 out of 4 patents)

9. Bryan Fung (4 out of 4 patents)

10. Srinivasaiah Sridhara (4 out of 5 patents)

11. Eric Koehler (4 out of 6 patents)

12. Praveen Pai (4 out of 4 patents)

13. Zachary Downing Kline (3 out of 3 patents)

14. Corey Zamenski (2 out of 2 patents)

15. Jerry Thurber (2 out of 3 patents)

Core Competencies:

Fluidic Nozzle

Automotive Image Sensor

Irrigation Nozzle

Fluidic Oscillator

Compact Nozzle Assembly

High Efficiency Spray

Quick Connector

Multi-Spray System

Vortex Element

Low Flow Rate

Surface Cleaning

Micro-Sized Structure

46 patents: Sort by Forward Citations

1. 12496254 - Spa nozzle with variable cross-section inertance loops assembly and method (2025-12-16),

2. 12104733 - VDA connector assembly with verification (2024-10-01),

3. 12000513 - Quick connector assembly for fluid lines with positive assurance feature (2024-06-04),

4. 11872574 - Fluidic oscillator for a nozzle assembly for enhanced cold performance (2024-01-16),

5. 11806733 - Cold weather low flow miniature spray nozzle assembly and method (2023-11-07),

6. 11738355 - Flag mushroom cup nozzle assembly and method (2023-08-29),

7. 11712707 - Uniform cold performance reverse mushroom (2023-08-01),

8. 11649914 - Quick connector assembly for fluid lines with positive assurance feature (2023-05-16),

9. 11628454 - Dual spray nozzle tip assembly (2023-04-18),

10. 11548479 - Micro-sized structure and construction method for fluidic oscillator wash nozzle (2023-01-10),

11. 11529932 - Self-contained camera wash system and method (2022-12-20),

12. 11472375 - Integrated multi image sensor and lens washing nozzle assembly and method for simultaneously cleaning a plurality of image sensors (2022-10-18),

13. 11465595 - Automotive image sensor surface washing and drying system and method (2022-10-11),

14. 11305297 - Compact low flow rate fluidic nozzle for spraying and cleaning applications having a reverse mushroom insert geometry (2022-04-19),

15. 11192124 - Fluidic scanner nozzle and spray unit employing same (2021-12-07),

Company Overview

Dlhbowles, Inc. is a specialized manufacturer based in Canton, Ohio, focusing on innovative solutions in fluid dynamics and automotive systems. The company excels in developing advanced technologies such as fluidic oscillators, nozzle assemblies, and low flow rate technologies, catering to various industries including automotive and irrigation. With a commitment to enhancing efficiency and performance, Dlhbowles also specializes in image sensor cleaning and quick connector assemblies, positioning itself as a leader in fluidic spray nozzle applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

46 Patents

#2 in Canton, OH

#333 in Ohio

#7,597 in US

#15,110 in the World

Canton, OH, United States of America

Dlhbowles, Inc.

Forward Citations = 112

34 inventors:

Shridhar Gopalan (22 out of 38 patents)

Chunling Zhao (15 out of 21 patents)

Gregory Adam Russell (11 out of 29 patents)

4. Evan Hartranft (10 out of 14 patents)

5. Russell Hester (9 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dlhbowles, Inc.. Retrieved from https://idiyas.com/company/dlhbowles

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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