I'm not sure on the canon of it but I never assumed he did. I figured he just helped train Anakin but I could be completely wrong
I don't think he did either. I always assumed killing Darth Maul was assumed by the Council to be "proof" that Obi-Wan was ready to become a Knight. Of course, the Jedi never stop training, so I suppose that in that sense he continued until his demise.
I remember seeing a scene in TPM where Yoda grants the title of Jedi Knight to Obi-Wan. I the final scene on you see Obi-Wwan without his padawan braid and Anakin with a padawan braid. Like others have said, the Jedi is always in training. At the end of RotS, Yoda tells Obi-Wan that Qui-Gon had learned to commune with the living. Yoda wants Obi-Wan to learn the same ability.
He was made a Knight since fighting Maul without falling to the dark side was his Jedi trial. No more training did he require. Anything else he did was to keep up his skills. The only time he received actual training was to communicate with Qui-gon and then learning to retain his identity.