Ronald D Ingraham

This inventor holds 17 USPTO granted patents, primarily in Vehicle Control Systems. Top assignees: Nartron Corporation, Holland Hitch Company. Active years: 1987-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ronald D Ingraham. Retrieved from https://idiyas.com/inventor/ronald-d-ingraham

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 13

Forward Citations = 530(Granted Patents)

Location History:

Quincy, MI (US) (1987 - 1992)
Reed City, MI (US) (1990 - 1999)

Company Filing History:

Holland Hitch Company

patents

Years Active: 1987-1999

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Areas of Expertise:

Fifth Wheel Hitch

Magnetic Field Sensing

Glow Plug Controller

Fluid Power Assist

Vehicle Starter Protection

Temperature-Stable Sensor

Heated Seat Control

Pressure Sensitive Device

Braking Control System

Capacity Responsive Keyboard

Touch Control Switch

Antenna Relay

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5861802 - Fifth wheel hitch coupling control system (1999-01-19),

2. 5789915 - Magnetic field energy responsive position sensing apparatus and method (1998-08-04),

3. 5570666 - Glow plug controller (1996-11-05),

4. 5477675 - Fluid power assist method and apparatus (1995-12-26),

5. 5413072 - Vehicle starter and electrical system protection (1995-05-09),

6. 5287831 - Vehicle starter and electrical system protection (1994-02-22),

7. 5270645 - Linear-output, temperature-stable rotational sensor including magnetic (1993-12-14),

8. 5229579 - Motor vehicle heated seat control (1993-07-20),

9. 5217280 - Pressure sensitive signal device for vehicle brake pedal (1993-06-08),

10. 5137338 - Combination vehicular braking and accessory control system (1992-08-11),

11. 5087825 - Capacity responsive keyboard (1992-02-11),

12. 5010972 - Combination vehicular braking and accessory control system (1991-04-30),

13. 4978177 - Signal mechanism responsive to force applied to vehicular brake pedal (1990-12-18),

14. 4831279 - Capacity responsive control circuit (1989-05-16),

15. 4758735 - DC touch control switch circuit (1988-07-19),

Title: Innovations of Ronald D Ingraham

Introduction

Ronald D Ingraham is a notable inventor based in Reed City, Michigan, with a remarkable portfolio of 17 patents. His contributions to the field of technology, particularly in vehicle coupling systems and position sensing apparatus, have made significant impacts in various industries.

Latest Patents

One of his latest inventions is the Fifth Wheel Hitch Coupling Control System. This electronic coupling control system is designed for vehicle trailer hitch assemblies, featuring a hitch plate that receives a trailer kingpin and includes a locking mechanism. The system incorporates a trailer proximity sensor, a kingpin sensor, and a lock sensor to provide hitch coupling status information to the vehicle operator. Additionally, it may perform self-diagnostic routines to ensure proper operation when the vehicle ignition is turned on.

Another significant patent is the Magnetic Field Energy Responsive Position Sensing Apparatus and Method. This invention utilizes a Hall sensor and a ring magnet to produce a two-state electrical output signal in response to magnetic field energy. The design allows for relative linear movement between the Hall sensor and the ring magnet, enabling the sensor to detect changes in the magnetic field without mechanical contact.

Career Highlights

Throughout his career, Ronald has worked with reputable companies such as Nartron Corporation and Holland Hitch Company. His experience in these organizations has contributed to his innovative developments and understanding of complex engineering challenges.

Collaborations

Ronald has collaborated with notable coworkers, including Peter H Strom and Todd M Nykerk. Their combined expertise has likely fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.

Conclusion

Ronald D Ingraham's contributions to the field of invention, particularly in vehicle coupling systems and position sensing technologies, showcase his innovative spirit and technical expertise. His patents reflect a commitment to enhancing safety and efficiency in vehicle operations.

Profile summary based on public USPTO records.

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]