David A Roberts

This inventor holds 41 USPTO granted patents, primarily in Semiconductor Processing. Top assignee: Air Products and Chemicals, Inc.. Active years: 1987-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David A Roberts. Retrieved from https://idiyas.com/inventor/david-a-roberts

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

Calculating rank

USPTO Granted Patents = 41

% Patents Active = 80.5

Average Co-Inventor Count = 3.4

ph-index = 18

Forward Citations = 1,298(Granted Patents)

Location History:

Allentown, PA (US) (1987 - 1988)
Carlsbad, CA (US) (1990 - 1995)
Escondido, CA (US) (1996 - 2001)
Encinitas, CA (US) (2002 - 2006)
Fogelsville, PA (US) (2003 - 2011)

Company Filing History:

41 out of 3,220

Air Products and Chemicals, Inc.

patents

Years Active: 1987-2011

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Areas of Expertise:

Atomic Layer Deposition

Metal Purification

Cleaning Agents

Silicon Films

Chemical Containers

Volatile Precursors

Adhesion Enhancement

Low VOC

Etching Agents

Solvent Purging

Liquid Crystals

Thin Films

41 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7919409 - Materials for adhesion enhancement of copper film on diffusion barriers (2011-04-05),

2. 7662959 - Quaternary trifluoromethylcyclohexane derivatives for liquid crystals (2010-02-16),

3. 7119032 - Method to protect internal components of semiconductor processing equipment using layered superlattice materials (2006-10-10),

4. 7078358 - Low VOC cleanroom cleaning wipe (2006-07-18),

5. 6913029 - Multiple contents container assembly for ultrapure solvent purging (2005-07-05),

6. 6869876 - Process for atomic layer deposition of metal films (2005-03-22),

7. 6840252 - Multiple contents container assembly for ultrapure solvent purging (2005-01-11),

8. 6837251 - Multiple contents container assembly for ultrapure solvent purging (2005-01-04),

9. 6818783 - Volatile precursors for deposition of metals and metal-containing films (2004-11-16),

10. 6770254 - Purification of group IVb metal halides (2004-08-03),

11. 6534666 - Use of water and acidic water to purify liquid MOCVD precursors (2003-03-18),

12. 6526824 - High purity chemical container with external level sensor and liquid sump (2003-03-04),

13. 6503561 - Liquid precursor mixtures for deposition of multicomponent metal containing materials (2003-01-07),

14. 6500499 - Deposition and annealing of multicomponent ZrSnTi and HfSnTi oxide thin films using solventless liquid mixture of precursors (2002-12-31),

15. 6238734 - Liquid precursor mixtures for deposition of multicomponent metal containing materials (2001-05-29),

Title: Inventor David A Roberts: Pioneering Innovations in Carlsbad

Introduction: David A Roberts is a distinguished inventor based in Carlsbad, California, known for his groundbreaking contributions to various fields.

Latest Patents: David A Roberts holds several patents in the areas of technology, healthcare, and consumer products, showcasing his diverse range of expertise.

Career Highlights: With a career spanning over two decades, David A Roberts has consistently demonstrated a knack for identifying gaps in the market and developing innovative solutions to address them.

Collaborations: Throughout his career, David A Roberts has collaborated with leading companies, research institutions, and universities to bring his inventions to life and make a lasting impact on society.

Conclusion: Inventor David A Roberts continues to inspire with his passion for innovation and his relentless pursuit of creating technologies that shape the future.

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]