Search Aids
Assignee Name List
This search aid allows you to select one or more assignees to add to your search query. The assignee names that you select are added to your search query. The product finds patent records by these assignees when you perform your search.
- Select the Assigned - Name Only search aid to find assignee names to add to your search query.
- Select the Assigned - Code Only search aid to find assignee codes to add to your search query.
The Assignee Name List covers only corporate assignees. For example, you will not find Parkins in the search aid; however, you can enter this name in the Assignee field and the system will retrieve results.
Derwent Class Codes
This search aid allows you to select one or more class codes to add to your search query.
Use both American and British spelling when searching for various codes. Example: fiber OR fibre.
International Patent Classification Codes
This search aid allows you to select one or more IPCs to add to your search query.
Derwent Manual Codes Index
This search aid allows you to select one or more manual codes to add to your search query.
Inventor Index
This index allows you to select one or more inventors to add to your search query. Use this index to select the correct spelling or variant spellings of a name.