For the Inventor, By the Inventor

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Moscow, ID, United States of America

Hwh Corporation

USPTO Granted Patents = 41

Trademarks = 6

Forward Citations = 840

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15 inventors (with patents filed for the assignee):

Paul Edmund Hanser (34 out of 37 patents)

Vincent Buls (11 out of 12 patents)

Marc Edward Frerichs (10 out of 10 patents)

4. Stacy M Hanser (10 out of 11 patents)

5. Paul Edmond Hanser (4 out of 4 patents)

6. John Friede (3 out of 4 patents)

7. Mitchell P Schmalz (3 out of 4 patents)

8. Jeffrey W Hogue (2 out of 2 patents)

9. Joshua Jay Gnewuch (1 out of 1 patent)

10. John F Blake (1 out of 1 patent)

11. Daniel J Boddicker (1 out of 1 patent)

12. Leroy A Van Roekel (1 out of 2 patents)

13. William G Reckmeyer (1 out of 1 patent)

14. Carl H Meier (1 out of 4 patents)

15. Leroy A Vanroekel (1 out of 1 patent)

Core Competencies:

Retractable Staircase

Recreational Vehicle

Expandable Room

Automatic Leveling System

Hydraulic Synchronizing Cylinder

Vehicle Suspension Control

Pivotal Extension Apparatus

Dynamic Platform Leveling

Saddle Rack Lift Mechanism

Universal Room Extension

Chain Driven Linkage Assemblies

Automatic Step

41 patents: Sort by Forward Citations

1. 9725042 - Retractable staircase for a recreational vehicle (2017-08-08),

2. D692593 - Air seal (2013-10-29),

3. 8529184 - Saddle rack lift mechanism (2013-09-10),

4. 8186744 - Recreational vehicle with a convertible bed (2012-05-29),

5. 8091940 - Expandable room leveling system and method (2012-01-10),

6. 8075008 - Retractable staircase for a recreational vehicle (2011-12-13),

7. 7857361 - Coupler assembly (2010-12-28),

8. 7806417 - Height averaging means for use with a motor vehicle suspension control system (2010-10-05),

9. 7717485 - Universal room extension for expandable rooms (2010-05-18),

10. 7685927 - Hydraulic synchronizing cylinder (2010-03-30),

11. 7621587 - Hydraulic slidable storage for a recreational vehicle (2009-11-24),

12. 7603942 - Synchronization cylinder having chambers with different volumes (2009-10-20),

13. 7419202 - Seal for expandable rooms (2008-09-02),

14. 7380854 - Device for removing water and other debris from the roof of an expandable room on a vehicle (2008-06-03),

15. 6905154 - Universal room extension (2005-06-14),

HWH Corporation is a leading manufacturing company specialized in hydraulic leveling systems and slide-out mechanisms for RVs and specialty vehicles. With over 50 years of experience, HWH has established itself as a trusted provider of reliable and innovative solutions. Their superior products are known for their quality, durability, and ease of use. The company continues to push the boundaries of technology, ensuring that their products meet the evolving needs and expectations of their customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

41 Patents

#3 in Moscow, ID

#26 in Idaho

#8,169 in US

#16,222 in the World

Moscow, ID, United States of America

Hwh Corporation

Forward Citations = 840

15 inventors:

Paul Edmund Hanser (34 out of 37 patents)

Vincent Buls (11 out of 12 patents)

Marc Edward Frerichs (10 out of 10 patents)

4. Stacy M Hanser (10 out of 11 patents)

5. Paul Edmond Hanser (4 out of 4 patents)

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