Patenticulars

Solution to the previous challenge

1. The CPC subgroup A61F2/64 covers prostheses, in particular

● prostheses not implantable in the body
●● artificial legs or feet or parts thereof
●●● knee joints

2. The top three publication offices are the US, DE and WO.

3. The top three applicants in the area of artificial knee joints are:

• Otto Bock HealthCare Products GmbH
• Blatchford & Sons Ltd
• Bock Healthcare GmbH