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CIPO Patents = 1

Forward Citations = 206

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6 inventors (with patents filed for the assignee):

James A Westhoff (16 out of 31 patents)

James A Kelly (16 out of 28 patents)

James Mirales (3 out of 3 patents)

4. William C Andrick (1 out of 10 patents)

5. Craig B Williams (1 out of 3 patents)

6. James E Parker (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 7677829 - Inserts and reusable holder therefor (2010-03-16),

2. 7108101 - Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strength (2006-09-19),

3. 6921085 - Packaging design incorporating gasket clamping assemblies and installation instructions (2005-07-26),

4. 6651949 - Apparatus for casting a gasket and associated positioning member into an opening and a cast member for receiving a conduit (2003-11-25),

5. 6607219 - Expansion type clamping band characterized by simplified design and ease of use (2003-08-19),

6. 6568691 - Method and apparatus for forming cast members having embedded boot type gaskets (2003-05-27),

7. 6406025 - Gasket and method for fabrication and use with corrugated pipe (2002-06-18),

8. 6196517 - Placement ring assembly having cushioned knockout assembly (2001-03-06),

9. 6126173 - Extruded gasket for cored manholes (2000-10-03),

10. 5997006 - Bidirectional gasket having water energizing pockets (1999-12-07),

11. 5884438 - Lift insert assembly and fabrication assembly method therefore (1999-03-23),

12. 5860254 - Lift insert assembly and fabrication assembly method (1999-01-19),

13. 5299884 - Water lock method and apparatus (1994-04-05),

14. 5248154 - Bidirectional gasket (1993-09-28),

15. 5217237 - Bidirectional gasket having water energizing pockets (1993-06-08),

Poly-tec Products, Inc. is a leading manufacturer of innovative plastic products for a wide range of industries. With over 20 years of experience, we specialize in custom plastic fabrication, injection molding, and CNC machining. Our high-quality products are used in automotive, medical, and industrial applications worldwide. We are committed to providing exceptional customer service and delivering cost-effective solutions to meet our clients' needs.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#2 in Tullytown, PA

#711 in Pennsylvania

#19,278 in US

#36,652 in the World

Tullytown, PA, United States of America

Poly-tec Products, Inc.