| Data Element | Description |
|---|
| cat | Find all documents containing the word 'cat' in any of the main text fields (title, abstract, or specification/description). |
| ABST/cat | Find all documents containing the word 'cat' in only the abstract. |
| cat AND dog | Find all documents containing both the word 'cat' and the word 'dog' in any of the main text fields (title, abstract, or specification/description). The two words may be in different fields. |
| ABST/cat AND dog | Find all documents containing the word 'cat' in the abstract, and the word 'dog' in any of the main text fields (title, abstract, or specification/description). |
| ABST/cat AND APD/12/14/2000->12/31/2005 | Find all documents containing the word 'cat' in the abstract which have an application date between Dec 14, 2000 and Dec 31, 2005. |
| TTL/cat NOT dog | Find all documents containing the word 'cat' in the title, but do not include any documents which have the word 'dog' in any of the main text fields (title, abstract, or specification/description). |
| (cat OR dog) AND (leash OR fence) | Find all documents that contain either the word 'cat' or the word 'dog', and which also contain either the word 'leash' or the word 'fence.' Note that without the parenthesis this query would be interpreted in an entirely different manner. |
| [with word stemming on] electroplate | Find all forms of the word 'electroplate', including 'electroplated', 'electroplating', and 'electroplater'. |
| "cat dog"~5 | Find all documents containing the word 'cat' within 5 words of 'dog', in any of the main text fields (title, abstract, or body). The 5 may be replaced with any whole number. |
| cat^5 OR dog | Cat is 5 times more important to the relevancy of documents than dog. Find all documents containing the word 'cat' or 'dog' but, all other things being equal, rank the documents containing cat higher. The "5" may be replaced with any whole number. |
| electron* | Find all documents containing words starting with electron like electron, electrons, electronic, electronics etc |
| su? | Find all documents containing words that has only one character after 'su' like sub, sun, sum etc |