Growing community of inventors

Portland, OR, United States of America

Christopher A Johnston

Average Co-Inventor Count = 1.75

ph-index = 5

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 = 57

Christopher A JohnstonMichael B Roska (4 patents)Christopher A JohnstonDonald M Conklin (4 patents)Christopher A JohnstonKevin S Stangeland (4 patents)Christopher A JohnstonWilliam D Rossi (4 patents)Christopher A JohnstonAbram Hernandez (1 patent)Christopher A JohnstonYesenia Meraz-Torres (1 patent)Christopher A JohnstonKevin S Strangeland (0 patent)Christopher A JohnstonChristopher A Johnston (9 patents)Michael B RoskaMichael B Roska (17 patents)Donald M ConklinDonald M Conklin (16 patents)Kevin S StangelandKevin S Stangeland (11 patents)William D RossiWilliam D Rossi (5 patents)Abram HernandezAbram Hernandez (1 patent)Yesenia Meraz-TorresYesenia Meraz-Torres (1 patent)Kevin S StrangelandKevin S Strangeland (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,812 patents)

2. Esco Corp. (2 from 177 patents)

3. Esco Group LLC (2 from 62 patents)

4. Ecso Group LLC (1 from 1 patent)


9 patents:

1. 12134933 - Smart door with controllable access panel

2. 11767710 - Smart door with controllable access panel

3. 11447937 - Wear assembly for earth working equipment

4. 11346150 - Smart door with controllable access panel

5. 11155982 - Wear assembly having a lock

6. 10655307 - Lock for a wear assembly

7. 10024036 - Lock for a wear assembly

8. 9677596 - Compression molding fastener

9. 9322150 - Wear assembly

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/20/2025
Loading…