Marianela Perez-Pena

This inventor holds 9 USPTO granted patents, plus 5 CIPO patents and 4 EPO patents. Top assignee: United States Gypsum Company. Active years: 2005-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marianela Perez-Pena. Retrieved from https://idiyas.com/inventor/marianela-perez-pena

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

USPTO Granted Patents = 9

% Patents Active = 55.6

CIPO Patents = 5 (Patent Applications = 1)

EPO Patents = 4 (Patent Applications = 6)

Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 214(Granted Patents)

Company Filing History:

9 out of 725

United States Gypsum Company

patents

Years Active: 2005-2018

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10040725 - Lightweight foamed cement, cement board, and methods for making same (2018-08-07),

2. 9994484 - Fast setting portland cement compositions with alkali metal citrates and phosphates with high early-age compressive strength and reduced shrinkage (2018-06-12),

3. 9090506 - Method for in-situ manufacture of a lightweight fly ash based aggregate (2015-07-28),

4. 8795429 - Method for in-situ manufacture of a lightweight fly ash based aggregate (2014-08-05),

5. 8551241 - Fly ash based lightweight cementitious composition with high compressive strength and fast set (2013-10-08),

6. 8519016 - Lightweight foamed fly ash based binders and method (2013-08-27),

7. 8366823 - Fly ash based lightweight cementitious composition with high compressive strength and fast set (2013-02-05),

8. 7670427 - Very fast setting cementitious composition with high early-age compressive strength (2010-03-02),

9. 6869474 - Very fast setting cementitious composition (2005-03-22),

Title: Innovations by Marianela Perez-Pena

Introduction

Marianela Perez-Pena is a prominent inventor based in Grayslake, Illinois. She has made significant contributions to the field of cementitious materials, holding a total of nine patents. Her work focuses on developing innovative cement compositions that enhance performance and sustainability.

Latest Patents

Among her latest patents is a lightweight foamed cement and cement board, which introduces a foamed cementitious composition that limits or eliminates the use of aggregate. This innovative approach utilizes a lower water-to-cementitious composition weight ratio, resulting in stable cementitious foam mixtures. These mixtures can be employed to create cement boards and other products, featuring foam bubbles sized between 50 to 200 micrometers. Another notable patent involves fast-setting Portland cement compositions that incorporate alkali metal citrates and phosphates. This method allows for rapid setting and increased early-age compressive strength without shrinkage, making it ideal for cement board applications.

Career Highlights

Marianela is currently associated with the United States Gypsum Company, where she continues to push the boundaries of cement technology. Her expertise in developing advanced materials has positioned her as a leader in her field.

Collaborations

Throughout her career, Marianela has collaborated with talented individuals such as Ashish Dubey and Yanfei Peng. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas

Profile summary based on public USPTO records.