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For the Inventor, By the Inventor

Milwaukee, WI, United States of America

Rite-Hite Corporation


USPTO Granted Patents = 67


Trademarks = 12

Forward Citations = 2,621

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57 inventors (with patents filed for the assignee):

goldMedal Norbert Hahn (33 out of 75 patents)

silverMedal Steven J Hipp (9 out of 9 patents)

bronzeMedal Michael A Swessel (8 out of 16 patents)

4.  Scott L Springer (8 out of 19 patents)

5.  David P Leppert (5 out of 6 patents)

6.  David J Hoffmann (4 out of 25 patents)

7.  Glen Trickle (4 out of 4 patents)

8.  Peter S Schulte (3 out of 21 patents)

9.  Cary W Pinkalla (3 out of 22 patents)

10.  Floyd D West (3 out of 6 patents)

11.  Glenn A Nicol (3 out of 3 patents)

12.  William Triervieler (3 out of 4 patents)

13.  Jon Giuliani (3 out of 3 patents)

14.  Garrett L Goins (3 out of 3 patents)

15.  Lynn O Grunewald (3 out of 3 patents)


Core Competencies:
Loading Dock
Vehicle Restraint
Sealing System
Air Dispersion
Dock Leveler
Safety Barrier
Frost Control
Releasable Locking Device
Roller Door
Maintenance Strut
Hydraulic Control
Gutter Assembly

67 patents:

1. 5794678 - Sealing system for a roller door (1998-08-18),
2. 5769708 - Fabric air dispersion system with air dispersing panels (1998-06-23),
3. 5762459 - Wheel-activated vehicle restraint system (1998-06-09),
4. 5743317 - Impact detection system for industrial doors (1998-04-28),
5. 5730197 - Tension and release mechanism for belt member on roller door (1998-03-24),
6. 5702223 - Vehicle restraint (1997-12-30),
7. 5675945 - Loading dock shelter with a rotatable seal (1997-10-14),
8. 5664930 - Vehicle activated wheel chock positioning device (1997-09-09),
9. 5655963 - Air-releasing endcap for fabric air dispersion system (1997-08-12),
10. 5655591 - Tension assembly for roller door (1997-08-12),
11. 5638883 - Breakaway guide assembly for a roller door (1997-06-17),
12. 5622016 - Gutter and seal assembly (1997-04-22),
13. 5601134 - Retainer assembly for roll-up door (1997-02-11),
14. 5582498 - Wheel activated vehicle restraint (1996-12-10),
15. 5553987 - Truck activated wheel chocking device (1996-09-10),
Company Overview
Rite-Hite Corporation, headquartered in Milwaukee, WI, specializes in the development and manufacturing of loading dock systems and related safety solutions. The company focuses on innovative technologies that enhance operational efficiency and safety in logistics and warehousing environments. Key offerings include vehicle restraints, sealing systems, dock levelers, and safety barriers, all designed to optimize loading dock performance and protect personnel and goods. Rite-Hite is committed to advancing industry standards through continuous research and development.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Rite-Hite Corporation USPTO Patent Assignee Logo
67 Patents

#33 in Milwaukee, WI

#132 in Wisconsin

#5,458 in US

#11,031 in the World

Milwaukee, WI (US)
Milwaukee, WI, United States of America

Rite-Hite Corporation

Forward Citations = 2,621

57 inventors:

goldMedal Norbert Hahn (33 out of 75 patents)

silverMedal Steven J Hipp (9 out of 9 patents)

bronzeMedal Michael A Swessel (8 out of 16 patents)

4.  Scott L Springer (8 out of 19 patents)

5.  David P Leppert (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rite-Hite Corporation. Retrieved from https://idiyas.com/company/rite-hite

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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