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For the Inventor, By the Inventor

Long Beach, CA, United States of America

Bw/ip International, Inc.


USPTO Granted Patents = 21

Trademarks = 9

Forward Citations = 213

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21 inventors (with patents filed for the assignee):

goldMedal Clark S Boster (5 out of 8 patents)

silverMedal Larry A Hufford (3 out of 4 patents)

bronzeMedal Joseph A Marsi (3 out of 4 patents)

4.  Jerzy A Lorett (2 out of 4 patents)

5.  Charles H Pearson (2 out of 3 patents)

6.  Coleman W Conrad (2 out of 4 patents)

7.  David A Wurangian (2 out of 3 patents)

8.  Richard Frank Salant (1 out of 6 patents)

9.  Henry S Duffee (1 out of 6 patents)

10.  Sankaraiyer Gopalakrishnan (1 out of 3 patents)

11.  Carl F Reimers (1 out of 1 patent)

12.  Gordhan K Vaghasia (1 out of 2 patents)

13.  Rudolf Fehlau (1 out of 2 patents)

14.  Denise M Ard (1 out of 2 patents)

15.  Lloyd D Hanson (1 out of 1 patent)


21 patents:

1. 5820106 - Guided gate valve (1998-10-13),
2. 5716054 - Diametric plane split mechanical face seal (1998-02-10),
3. 5704594 - Guided gate valve (1998-01-06),
4. 5562294 - Backup seal for axial face seal (1996-10-08),
5. 5556110 - Shroud enclosure for brittle mechanical face materials (1996-09-17),
6. 5487550 - Secondary gas/liquid mechanical seal assembly (1996-01-30),
7. 5445494 - Multi-stage centrifugal pump with canned magnetic bearing (1995-08-29),
8. 5428873 - Ball Latch mechanism (1995-07-04),
9. 5340272 - Multi-stage centrifugal pump incorporating a sealed thrust bearing (1994-08-23),
10. 5305676 - Low retention force release and arming mechanism for ordinance devices (1994-04-26),
11. 5246337 - Heat exchanger with hydrostatic bearing return flow guide (1993-09-21),
12. 5193974 - Dynamic pressure recovery seal (1993-03-16),
13. 5143515 - Pump with seal purge heater (1992-09-01),
14. 5076589 - Mechanical seal (1991-12-31),
15. 5072608 - Reduction of transient thermal stresses in machine components (1991-12-17),
Company Overview
Bw/ip International, Inc. is a technology-focused organization based in Long Beach, California, specializing in the development and manufacturing of innovative solutions across various sectors. The company is known for its expertise in intellectual property management and technology commercialization, providing services that enhance the value of patents and proprietary technologies. With a commitment to advancing technological capabilities, Bw/ip International plays a significant role in fostering innovation and supporting businesses in navigating the complexities of intellectual property.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

21 Patents

#12 in Long Beach, CA

#3,760 in California

#15,695 in US

#29,961 in the World

Long Beach, CA (US)
Long Beach, CA, United States of America

Bw/ip International, Inc.

Forward Citations = 213

21 inventors:

goldMedal Clark S Boster (5 out of 8 patents)

silverMedal Larry A Hufford (3 out of 4 patents)

bronzeMedal Joseph A Marsi (3 out of 4 patents)

4.  Jerzy A Lorett (2 out of 4 patents)

5.  Charles H Pearson (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bw/ip International, Inc.. Retrieved from https://idiyas.com/company/bw-ip-international

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

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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