Growing community of inventors

Maplewood, MN, United States of America

Mark R Frich

Average Co-Inventor Count = 1.22

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 184

Mark R FrichRichard H Jackson (2 patents)Mark R FrichArie N Boers (1 patent)Mark R FrichEdward G Schaumburg (1 patent)Mark R FrichPeter A Recht (1 patent)Mark R FrichKevin G Frich (1 patent)Mark R FrichMark R Frich (15 patents)Richard H JacksonRichard H Jackson (16 patents)Arie N BoersArie N Boers (21 patents)Edward G SchaumburgEdward G Schaumburg (5 patents)Peter A RechtPeter A Recht (2 patents)Kevin G FrichKevin G Frich (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (10 from 832,680 patents)

2. Tech Logic Corporation (2 from 3 patents)

3. Gnb Batteries Inc. (1 from 23 patents)

4. Possis Corporation (1 from 13 patents)

5. Bibliotheca Itg LLC (1 from 1 patent)


15 patents:

1. 9243607 - Wave responsive electrical generator

2. 8938957 - Wave responsive electrical generator

3. 8136650 - Apparatus and methods for book handling

4. 7004709 - Bin for library articles and automatic unloading system therefor

5. 6994252 - Combination library patron-supervisor self check-in/out workstation

6. 6793139 - Library article transport system with inclined conveyor

7. 6561418 - Check-out system for library-like materials

8. 6557696 - Inclined conveyor

9. 6422457 - Access device for a materials depository

10. 6257816 - Book binding orientation detector

11. 6203262 - Cart loading system and method for library-like materials

12. 6074156 - Library cart loading system and method

13. 6000770 - Library book bin with a vertically adjustable floor

14. 4937985 - Abrasive waterjet receiver

15. 4583286 - Apparatus and method for processing and transferring battery cell

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as of
12/6/2025
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