Growing community of inventors

Pinconning, MI, United States of America

Joseph D Krawczyk

Average Co-Inventor Count = 1.14

ph-index = 7

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 = 106

Joseph D KrawczykRobert W Grace (2 patents)Joseph D KrawczykNorman C Strohfus (2 patents)Joseph D KrawczykDavid J Glancy (2 patents)Joseph D KrawczykJoseph D Krawczyk (12 patents)Robert W GraceRobert W Grace (7 patents)Norman C StrohfusNorman C Strohfus (6 patents)David J GlancyDavid J Glancy (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Magline, Inc. (10 from 56 patents)

2. Other (2 from 832,891 patents)


12 patents:

1. 7422221 - Transport cart system and method of its manufacture and operation

2. 7025548 - Transport carts configured to be locked to the sidewalls of a transportation vehicle for distributing product

3. 6899508 - Transport cart system and method of its manufacture and operation

4. 6874981 - Beverage transport cart system and method of its manufacture and operation

5. 6520515 - Transport cart system and method of its manufacture and operation

6. 6488304 - Rapidly demountable multiple platform utility cart assembly and methods of making and operating it

7. 6299184 - Transport cart system and method of its manufacture and operation

8. 6131927 - Hand truck for transporting stacked trays

9. 6019381 - Multiple use hand trucks fitted to carry laundry baskets

10. 5799959 - Hand truck brake application system

11. 5632592 - Extensor wing latch mechanism for a two-wheeled hand truck

12. 5518356 - Extensor wing latch mechanism for a two-wheeled hand truck

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