Patents
Patents filed since that cite Meyer's. Most are other people's work, and an examiner chose many of them during prosecution rather than the applicant volunteering them.
Citation index — what each of Meyer’s filings cites, and every later patent citing it.
2 patents from 2011 · every year
2011 · 2
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ES2360993A1
Water injection system in internal combustión engine and injection procedure. (Machine-translation by Google Translate, not legally binding)
Spain · 13 Jun 2011 · indexed, no text held
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ES2359217A1
Electrolytic combustible gas-producing apparatus
Spain · 19 May 2011 · indexed, no text held