Company Filing History:

8 out of 1,452

Osram Sylvania Inc.

patents

2 out of 1,770

Gte Products Corporation

patents

1 out of 13

Global Tungsten & Powders Corp.

patents

Years Active: 1992-2013

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8557143 - Electroluminescent ZnS:Mn phosphor and method of making (2013-10-15),

2. 7535176 - VUV-excited device with blue-emitting phosphor (2009-05-19),

3. 7288216 - Method of making electroluminescent phosphors with small particle sizes and powder with D50 value of no more than 10 micrometers (2007-10-30),

4. 6555021 - Preparation of ZnS:Cu,Cl electroluminescent phosphor (2003-04-29),

5. 6387299 - Process for producing electroluminescent phosphor with increased efficiency (2002-05-14),

6. 5783106 - Lithium doped terbium activated gadolinium oxysulfide phosphor (1998-07-21),

7. 5582768 - Phosphor and method of making same (1996-12-10),

8. 5531928 - Phosphor and method of making same (1996-07-02),

9. 5489398 - Phosphor and method of making same (1996-02-06),

10. 5306441 - Method of preparing fluoroplogopite phosphor (1994-04-26),

11. 5102633 - Method for reducing impurities in hexammine cobalt halide compounds (1992-04-07),

Title: Innovations of Shellie K Northrop

Introduction

Shellie K Northrop is a prominent inventor based in Sayre, PA (US). She has made significant contributions to the field of electroluminescent materials, holding a total of 11 patents. Her work has advanced the development of phosphors used in various display technologies.

Latest Patents

Among her latest patents is the invention of an electroluminescent ZnS:Mn phosphor and method of making it. This invention discloses a phosphor comprising ZnS:Mn that is free of or substantially free of copper, with a D50 size of less than about 5 micrometers. Additionally, she has developed a method for preparing this phosphor, which involves specific steps of mixing and heating various solutions. Another notable patent is for a VUV-excited device with a blue-emitting phosphor. This invention includes blue-emitting phosphors for use with plasma display panels or other vacuum ultraviolet-excited devices, featuring improved degradation characteristics.

Career Highlights

Throughout her career, Shellie has worked with notable companies such as Osram Sylvania Inc. and GTE Products Corporation. Her expertise in phosphor technology has positioned her as a leader in her field.

Collaborations

Shellie has collaborated with several professionals, including Vaddi B Reddy and Ronald E Karam, contributing to her innovative projects and research.

Conclusion

Shellie K Northrop's contributions to the field of electroluminescent materials and her impressive portfolio of patents highlight her role as a significant inventor. Her work continues to influence advancements in display technologies.

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1 patent (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.