Reviewed the patent literature on mosquito repellent inventions that contain plant essential oils, including Lavandula angustifolia essential oil. Pohlit 2011

Conduct a search on "Lavandula" or "lavender" in the title, abstract or claims section of the US patent database

Wound treatment with 450-1,000 ml of base tincture of Centella asiatica, 11-65 ml Lavender oil, 5-10 ml Thyme oil, 5-20 ml Rosemary oil and 4-14 ml Aesculus tincture. May add 0.1-6 ml tinctures of Medicago or Carlina and 2-15 ml Cedar oil; US Patent 4,318,906

Control of dermatomycoses and dermatophytoses, of skin ailments with tinea pedis by a composition including Equisetum and Lavandula; US Patent 5,641,481