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For the Inventor, By the Inventor

Sunnyvale, CA, United States of America

Norbert A Feliss

This inventor holds 39 USPTO granted patents and 1 published patent application, primarily in Hard Disk Drives. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., Hgst Netherlands, B.v., Hitachi Global Storage Technologies. Active years: 2003-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norbert A Feliss. Retrieved from https://idiyas.com/inventor/norbert-a-feliss

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

USPTO Granted Patents = 39 

% Patents Active = 10.3

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 112(Granted Patents)


Location History:

  • Sunnyvale, CA (US) (2003 - 2011)
  • Aptos, CA (US) (2010 - 2014)

Company Filing History:

goldMedal36 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
silverMedal2 out of 987 
 
Hgst Netherlands, B.v.
 patents
bronzeMedal1 out of 52 
 
Hitachi Global Storage Technologies
 patents

Years Active: 2003-2014

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Areas of Expertise:
Fluorinated PTMG
Electrostatic Filter
Lubricant Deposition
Atmospheric Pressure Sensor
Gas Monitoring
Data Transfer Protocol
Hybrid Drive System
Fluid Damping Structure
Shock Resistance
Medical Monitor
Leak Detection
Closed Loop Lubrication
39 patents (USPTO):Explore Patents
1. 8628868 - Fluorinated polytetramethylene glycol (PTMG) with diepoxide endgroups as magnetic lubricants (2014-01-14),
2. 8390950 - Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter (2013-03-05),
3. 8174782 - Methods for depositing lubricant onto disks and systems thereof (2012-05-08),
4. 8134795 - Using an atmospheric pressure sensor in a hard-disk drive (HDD) (2012-03-13),
5. 8094409 - Method and system for monitoring gas in sealed hard disk drives with feedback (2012-01-10),
6. 8085488 - Predicting operational problems in a hard-disk drive (HDD) (2011-12-27),
7. 7990650 - Reducing the obstruction of air flow through a bypass channel associated with a disk drive using an electrostatic pass-by filter (2011-08-02),
8. 7907062 - Dual direction power and data transfer protocol and safety detection (2011-03-15),
9. 7874389 - Flexible hybrid drive system for vehicle stability control (2011-01-25),
10. 7817371 - Active compensation of flying height in magnetic disk drives (2010-10-19),
11. 7538973 - Method and apparatus for providing a fluid damping structure with fuel cell for a hard disk drive and vibration sensitive electronic devices (2009-05-26),
12. 7448055 - Disk assembly having integral clamp and/or spacer (2008-11-04),
13. 7446973 - Disk and clamp assembly (2008-11-04),
14. 7395931 - Protective device for reducing the impact of physical shock (2008-07-08),
15. 7364307 - Method and system for a beam projector having data manipulation capabilities (2008-04-29),

Title: Norbert A. Feliss: Innovator in Magnetic Lubricants and Disk Drive Technologies

Introduction: Norbert A. Feliss, based in Sunnyvale, CA, is a prominent inventor with an impressive portfolio of 39 patents. His contributions to the fields of magnetic lubricants and disk drive technology have significantly advanced the industry, showcasing his innovative spirit and technical expertise.

Latest Patents: Feliss's recent patents highlight his cutting-edge work. One of his latest innovations is a formulation for fluorinated polytetramethylene glycol (PTMG) with diepoxide end groups, designed as magnetic lubricants. This invention features a surface agent with distinct end portions, including a terminal section with at least one surface active functional group and a midsection that incorporates perfluoroethyl ether units. Additionally, Feliss has developed a system for reducing airflow obstruction in disk drives using an electrostatic pass-by filter. This invention involves a disk drive filtering system that strategically employs a selective filtering region and an electrostatic filter to enhance performance while allowing substantial air flow through the channel.

Career Highlights: Feliss has made significant strides in his career, having worked with notable companies such as Hitachi Global Storage Technologies and HGST Netherlands. His experiences at these institutions have allowed him to hone his skills and contribute to groundbreaking research and development projects.

Collaborations: Throughout his career, Feliss has collaborated with esteemed professionals, including Donald Ray Gillis and Karl Arthur Flechsig. These partnerships have undoubtedly enriched his work and fostered an environment of innovation.

Conclusion: Norbert A. Feliss is a remarkable inventor whose accomplishments continue to influence advancements in technology. With a strong focus on magnetic lubricants and disk drive systems, his work not only contributes to the industry but also sets a standard for future innovations. His dedication to enhancing technological processes reflects his position as a leader in the field of innovation.

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]
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