Earl L Morris

This inventor holds 35 USPTO granted patents, primarily in Plumbing Fixtures. Top assignees: Acorn Engineering Company, Acorn Engineering. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Earl L Morris. Retrieved from https://idiyas.com/inventor/earl-l-morris

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

USPTO Granted Patents = 35

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 11

Forward Citations = 424(Granted Patents)

Location History:

Whittier, CA (US) (1976 - 1980)
La Habra Hts., CA (US) (1985)
La Habra Heights, CA (US) (1984 - 1987)

Company Filing History:

33 out of 145

Acorn Engineering Company

where one patent can have more than one assignee

Years Active: 1976-1987

Loading Chart...

Areas of Expertise:

Plumbing Fixtures

Sealed Dashpot

Vandal-Resistant

Tamper-Proof

Drain Connection

Overflow Limiter

Lavatory Basin

Toilet Bowl

Security Mirror

Push Button Switch

Installation Jig

Waste Drain Coupling

35 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4659059 - Sealed dashpot mechanism for delayed closing plumbing valves (1987-04-21),

2. 4580300 - Combined wall construction form and plumbing fixture mounting device for (1986-04-08),

3. 4571901 - Vandal-resistant security view port (1986-02-25),

4. D281714 - Tamper-proof lavatory and toilet unit (1985-12-10),

5. 4512241 - Plenum/vacuum chamber with duct connection for installation in cabinet (1985-04-23),

6. 4505189 - Vandal-resistant and tamper-proof plenum or vacuum chamber security air (1985-03-19),

7. 4492430 - Security mirror replaceable from pipe chase (1985-01-08),

8. 4480163 - Vandal-resistant push button electrical switch assembly (1984-10-30),

9. 4462123 - Fabricated floor drain with large stepped flange for elastomeric (1984-07-31),

10. 4453202 - Vandal-resistant light fixture (1984-06-05),

11. 4434516 - Wall sleeve and installation jig for multiple adjacent fixture mounting (1984-03-06),

12. 4423527 - Fabricated floor drain with combination anchoring and seepage control (1984-01-03),

13. 4203173 - Overflow inhibitor for plumbing fixtures (1980-05-20),

14. 4195374 - Plumbing fixture overflow limiter (1980-04-01),

15. 4184702 - Waste drain coupling for plumbing fixtures (1980-01-22),

Title: Innovations and Contributions of Earl L. Morris

Introduction: Earl L. Morris, based in Whittier, CA, is a notable inventor recognized for his innovative contributions to plumbing technologies. With a remarkable portfolio of 34 patents, his work has significantly impacted the industry by enhancing both functionality and safety in plumbing systems.

Latest Patents: Among his latest patents, the invention of the "Sealed dashpot mechanism for delayed closing plumbing valves" stands out. This advanced valve features a cartridge with hydraulic fluid in a sealed chamber, allowing for smooth and controlled water flow. It incorporates a one-way piston, which divides the chamber into two sections, effectively managing fluid dynamics. The design emphasizes durability with a removable gasket ring to facilitate easy maintenance and a sealed chamber to protect the lower diaphragm from waterborne particles.

Another significant patent is the "Combined wall construction form and plumbing fixture mounting device." This invention features a security sleeve designed for the mounting of plumbing fixtures in fire-rated masonry or concrete walls. It consists of paired metal plates with conduits that ensure secure installation while adhering to safety standards.

Career Highlights: Earl L. Morris has made notable contributions during his career, including his tenure at Acorn Engineering Company. His work at Acorn involved developing innovative plumbing solutions that improve the efficiency and safety of water management systems, reflecting his dedication to advancing plumbing technology.

Collaborations: Throughout his career, Morris has collaborated with talented professionals such as Larry D. Fields and V. Walter Hafner. Their joint efforts and expertise have played a pivotal role in the successful development and patenting of various plumbing innovations.

Conclusion: Earl L. Morris's impressive portfolio of patents and his collaborative spirit highlight his significant impact on plumbing invention. With a focus on practical and efficient solutions, Morris continues to inspire future innovations in the plumbing industry.

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]