fix gpatent query

backends.py

@@ -50,7 +50,7 @@ async def query_google_patents(browser: Browser, q: str, n_results: int = 10):
 
         await page.route("**/*", _block_resources)
 
-        url = f"https://patents.google.com/?q=({quote_plus(q)})&oq={quote_plus(q)}&num={n_results}"
+        url = f"https://patents.google.com/?q=({quote_plus(q)})&num={n_results}"
         await page.goto(url)
 
         await page.wait_for_function(