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Tucson, AZ, United States of America

Mcculloch Corporation

USPTO Granted Patents = 66

Forward Citations = 1,090

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53 inventors (with patents filed for the assignee):

John Griffin (13 out of 156 patents)

R Reade Harpham (7 out of 14 patents)

Joseph A Juratovac (7 out of 20 patents)

4. Edward J Pilatowicz (6 out of 13 patents)

5. John F Searle (5 out of 5 patents)

6. Sidney Hirschkoff (5 out of 5 patents)

7. Gregory A Trees (4 out of 88 patents)

8. Gregory S Kramer (4 out of 19 patents)

9. Roger W Smith (4 out of 23 patents)

10. Jan B Yates (4 out of 32 patents)

11. Adolf Luerken (4 out of 5 patents)

12. Robert V Jackson (4 out of 4 patents)

13. Rodney L Harms (2 out of 2 patents)

14. Giuseppe P Todero (2 out of 2 patents)

15. Michael Krull (2 out of 3 patents)

Core Competencies:

String Trimmer

Chainsaw

Four-Stroke Engine

Electric Grass Trimmer

Hedge Trimmer

Vibration Isolation

Safety Brake

Carburetor Valve

Centrifugal Clutch

Blower/Vacuum

Torque Transmitting

Cut Line Retention

66 patents: Sort by Forward Citations

1. D417371 - Combined lower housing and shield of a powered lawn and garden implement (1999-12-07),

2. 5987756 - Head and head assembly for a string trimmer (1999-11-23),

3. 5957721 - Cord retainer (1999-09-28),

4. D414088 - Handle housing for a battery powered string trimmer (1999-09-21),

5. 5950317 - Wire guard assembly for a string trimmer (1999-09-14),

6. 5933966 - Shaft telescoping and rotational adjustment mechanism for a lawn and (1999-08-10),

7. D408700 - Housing for an electric chainsaw (1999-04-27),

8. D408247 - Housing for an electric chainsaw (1999-04-20),

9. D408246 - Housing for a battery operated chainsaw (1999-04-20),

10. D406225 - Handle for a powered lawn and garden implement (1999-03-02),

11. 5867911 - Apparatus for adjusting relative positions of first and second members (1999-02-09),

12. 5588178 - Impeller for blower/vacuum (1996-12-31),

13. 5579735 - Four-stroke internal combustion engine (1996-12-03),

14. 5531027 - Hedge trimmer drive assembly (1996-07-02),

15. D361251 - Chain saw (1995-08-15),

Mcculloch Corporation, based in Tucson, AZ, specializes in the development and manufacturing of lawn care equipment. The company is recognized for its innovative products, including string trimmers, chainsaws, and electric grass trimmers, which are designed to enhance efficiency and user experience in outdoor maintenance. Mcculloch focuses on advanced technologies such as four-stroke engines, vibration isolation, and safety features like brake systems and carburetor valves, ensuring reliability and safety in its equipment.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Mcculloch Corporation

66 Patents

#9 in Tucson, AZ

#63 in Arizona

#5,520 in US

#11,150 in the World

Tucson, AZ, United States of America

Mcculloch Corporation

Forward Citations = 1,090

53 inventors:

John Griffin (13 out of 156 patents)

R Reade Harpham (7 out of 14 patents)

Joseph A Juratovac (7 out of 20 patents)

4. Edward J Pilatowicz (6 out of 13 patents)

5. John F Searle (5 out of 5 patents)

Please report any incorrect information to [email protected]

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