CP

Christopher T. Pietrzak

BS Bell Sports: 15 patents #5 of 122Top 5%
SC Specialized Bicycle Components: 10 patents #17 of 157Top 15%
MA Mips Ab: 6 patents #3 of 16Top 20%
EP Easton Technical Products: 3 patents #4 of 21Top 20%
RI Riddell: 2 patents #21 of 38Top 60%
📍 Redwood City, CA: #197 of 5,061 inventorsTop 4%
🗺 California: #12,730 of 386,348 inventorsTop 4%
Overall (All Time): #87,426 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
12426661 Bicycle helmet with eyewear retention Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2025-09-30
12414597 Bicycle helmet with modular impact absorbing structures Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2025-09-16
12369672 Systems and methods for vented helmets Ming Yu, Allen Albert Bischofberger, Michael Joseph Krynock 2025-07-29
12256796 Helmet Jack Liu, Steven Wang, Saman Xie 2025-03-25
D1057294 Bicycle helmet Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2025-01-07
D1050611 Helmet Luiz Felipe de Melo Dias, Allen Albert Bischofberger, Alexander Hart Jerome, Katherine Lynn Martonchik, David T. Debus +1 more 2024-11-05
12127624 Bicycle helmet with eyewear retention Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2024-10-29
12127623 Connector with a deformable retainer Amy Louise Pomering, Saman Xie 2024-10-29
12089685 Protective helmet with multiple energy management liners Scott R. Allen, James R. Penny, Alexander J. Szela, Julio Valencia 2024-09-17
11963570 Helmet pad Marcus Thiel 2024-04-23
11957200 Helmet Peter Halldin 2024-04-16
D1021273 Bicycle helmet Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2024-04-02
D1021272 Bicycle helmet Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2024-04-02
11944150 Helmet Saman Xie 2024-04-02
11889883 System and method for forming a protective helmet for a customer's head Michael W. Lowe 2024-02-06
D1010231 Helmet Michael Joseph Krynock 2024-01-02
11839257 Helmet comprising a segmented shell Scott R. Allen, Allen Albert Bischofberger, Julio Valencia 2023-12-12
11771167 Connector 2023-10-03
11758965 Helmet with integrated shoulder pad Scott S. Whitesell, Scott R. Allen, Allen Albert Bischofberger, Julio Valencia 2023-09-19
D992217 Bicycle helmet Allen Albert Bischofberger, Luiz Felipe de Melo Dias, Alexander Hart Jerome, David T. Debus 2023-07-11
11589631 Helmet with integrated shoulder pad Scott S. Whitesell, Scott R. Allen, Allen Albert Bischofberger, Julio Valencia 2023-02-28
11510453 Protective bicycle helmet with internal ventilation fit system comprising expanded connectors Michael J. Musal 2022-11-29
11419383 System and method for custom forming a protective helmet for a customer's head Michael W. Lowe 2022-08-23
11213090 Helmet comprising a segmented shell Scott R. Allen, Allen Albert Bischofberger, Julio Valencia 2022-01-04
10948898 System and method for custom forming a protective helmet for a customer's head Michael W. Lowe 2021-03-16