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Eden Prairie, MN, United States of America

Birchwood Laboratories, Inc.

USPTO Granted Patents = 17

Trademarks = 57

Forward Citations = 374

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13 inventors (with patents filed for the assignee):

William V Block (13 out of 17 patents)

Bryce D Devine (6 out of 6 patents)

Keith N Ravenscroft (5 out of 5 patents)

4. David J Halverson (3 out of 3 patents)

5. John T Nguyen (1 out of 1 patent)

6. John Thanh Ngoc Nguyen (1 out of 1 patent)

7. A W Edwards (1 out of 3 patents)

8. Michael D Lenarz (1 out of 1 patent)

9. James N Tuttle, Jr (1 out of 1 patent)

10. Richard K Williams (1 out of 1 patent)

11. Nathan R Erickson (1 out of 1 patent)

12. Cydney A Einck (1 out of 1 patent)

13. Gary A Messer (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 9039821 - Methods and compositions for coating aluminum substrates (2015-05-26),

2. D717960 - Electrode set (2014-11-18),

3. 8691346 - Methods and compositions for coating aluminum substrates (2014-04-08),

4. 8287663 - Ferrous metal magnetite coating processes and reagents (2012-10-16),

5. 7964044 - Ferrous metal magnetite coating processes and reagents (2011-06-21),

6. 7625439 - Bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron (2009-12-01),

7. 7481872 - Process for making bath composition for converting surface of ferrous metal to mixed oxides and organometallic compounds of aluminum and iron (2009-01-27),

8. 7144599 - Hybrid metal oxide/organometallic conversion coating for ferrous metals (2006-12-05),

9. 6899956 - Metal coloring process and solutions therefor (2005-05-31),

10. 6899769 - Composition and method for metal coloring process (2005-05-31),

11. 6695931 - Composition and method for metal coloring process (2004-02-24),

12. 6576346 - Composition and method for metal coloring process (2003-06-10),

13. 6527873 - Composition and method for metal coloring process (2003-03-04),

14. 6309476 - Composition and method for metal coloring process (2001-10-30),

15. 5723183 - Metal coloring process (1998-03-03),

Birchwood Laboratories, Inc. is a leading provider of medical products and services. With over 50 years of experience, Birchwood offers a broad range of specialty medical products to healthcare professionals and consumers alike. Their innovative solutions include wound care products, skin care preparations, personal care products, and more. Birchwood is committed to delivering high-quality, reliable, and safe products that meet the needs of their customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

17 Patents

#47 in Eden Prairie, MN

#545 in Minnesota

#18,291 in US

#34,802 in the World

Eden Prairie, MN, United States of America

Birchwood Laboratories, Inc.

Forward Citations = 374

13 inventors:

William V Block (13 out of 17 patents)

Bryce D Devine (6 out of 6 patents)

Keith N Ravenscroft (5 out of 5 patents)

4. David J Halverson (3 out of 3 patents)

5. John T Nguyen (1 out of 1 patent)

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