Emanuel L Logan, Jr

This inventor holds 5 USPTO granted patents. Top assignees: Reliable Security Systems, Inc., Logan-Moses Enterprises an Unicorporated Business Organization, Other. Active years: 1981-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Emanuel L Logan, Jr. Retrieved from https://idiyas.com/inventor/emanuel-l-logan-jr

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 129(Granted Patents)

Location History:

Silver Spring, MD (US) (1981)
Columbia, MD (US) (1987 - 2001)

Company Filing History:

4 out of 14

Reliable Security Systems, Inc.

patents

1 out of 1

Logan-Moses Enterprises an Unicorporated Business Organization

patent

1 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1981-2001

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6212716 - Inflatable pillow (2001-04-10),

2. 4720128 - Magnetic emergency exit door lock with time delay (1988-01-19),

3. 4652028 - Magnetic emergency exit door lock with time delay (1987-03-24),

4. 4651358 - Apparatus for securing a pivoted member such as a toilet seat lid (1987-03-24),

5. 4257631 - Magnetic emergency exit door lock with delayed opening (1981-03-24),

Title: Emanuel L Logan, Jr: Innovator and Inventor

Introduction

Emanuel L Logan, Jr. is a notable inventor based in Columbia, MD (US). He has made significant contributions to the field of innovation, holding a total of 5 patents. His inventive spirit and practical solutions have led to the development of unique products that address everyday challenges.

Latest Patents

Among his latest patents is the Inflatable Pillow, which is ingeniously formed from a ZIPLOC® bag. This design incorporates a collapsible regulator that holds the walls of the bag apart when opened, allowing air to be trapped inside upon closing. Another significant invention is the Magnetic Emergency Exit Door Lock with Time Delay. This device utilizes an electromagnet to keep a door securely closed, while a switch signals attempts to open the door, potentially triggering an alarm or a timed release.

Career Highlights

Emanuel has worked with several companies throughout his career, including Reliable Security Systems, Inc. and Logan-Moses Enterprises, an unincorporated business organization. His experience in these organizations has contributed to his expertise in security and innovative design.

Collaborations

Emanuel has collaborated with notable individuals in his field, including Michael A Kelly and Bruce G Beigel. These partnerships have likely enriched his work and expanded his innovative capabilities.

Conclusion

Emanuel L Logan, Jr. exemplifies the spirit of innovation through his inventive contributions and collaborations. His patents reflect a commitment to solving practical problems, making him a significant figure in the world of invention.

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]