Source;
The first US weather modification Patent was Patent 0462795 – July 16, 1891 – Method Of Producing Rain-Fall.
As of Sept 13th 2017 here is the list to that point in time; Link; https://www.thesiriusreport.com/technology/list-us-patents-related-weather-modification/
4096005 – June 20, 1978 – Pyrotechnic Cloud Seeding Composition
4129252 – December 12, 1978 – Method and apparatus for production of seeding materials
4141274 – February 27, 1979 – Weather modification automatic cartridge dispenser
4167008 – September 4, 1979 – Fluid bed chaff dispenser
4347284 – August 31, 1982 – White cover sheet material capable of reflecting ultraviolet rays
4362271 – December 7, 1982 – Procedure for the artificial modification of atmospheric precipitation as well as compounds with a dimethyl sulfoxide base for use in carrying out said procedure
4402480 – September 6, 1983 – Atmosphere modification satellite
4412654 – November 1, 1983 – Laminar microjet atomizer and method of aerial spraying of liquids
4415265 – November 15, 1983 – Method and apparatus for aerosol particle absorption spectroscopy
4470544 – September 11, 1984 – Method of and Means for weather modification
4475927 – October 9, 1984 – Bipolar Fog Abatement System
4600147 – July 15, 1986 – Liquid propane generator for cloud seeding apparatus
4633714 – January 6, 1987 – Aerosol particle charge and size analyzer
4643355 – February 17, 1987 – Method and apparatus for modification of climatic conditions
4653690 – March 31, 1987 – Method of producing cumulus clouds
4684063 – August 4, 1987 – Particulates generation and removal
4686605 – August 11, 1987 – HAARP Patent / EASTLUND PATENT – Method and apparatus for altering a region in the earth’s atmosphere, ionosphere, and/or magnetosphere
4704942 – November 10, 1987 – Charged Aerosol
4712155 – December 8, 1987 – Method and apparatus for creating an artificial electron cyclotron heating region of plasma
4744919 – May 17, 1988 – Method of dispersing particulate aerosol tracer
4766725 – August 30, 1988 – Method of suppressing formation of contrails and solution therefor
4829838 – May 16, 1989 – Method and apparatus for the measurement of the size of particles entrained in a gas
4836086 – June 6, 1989 – Apparatus and method for the mixing and diffusion of warm and cold air for dissolving fog
4873928 – October 17, 1989 – Nuclear-sized explosions without radiation
4948257 – August 14, 1990 – Laser optical measuring device and method for stabilizing fringe pattern spacing
1338343– August 14, 1990 – Process and Apparatus for the production of intense artificial Fog
4999637 – March 12, 1991 – Creation of artificial ionization clouds above the earth
5003186 – March 26, 1991 – Stratospheric Welsbach seeding for reduction of global warming
5005355 – April 9, 1991 – Method of suppressing formation of contrails and solution therefor
5038664 – August 13, 1991 – Method for producing a shell of relativistic particles at an altitude above the earths surface
5041760 – August 20, 1991 – Method and apparatus for generating and utilizing a compound plasma configuration
5041834 – August 20, 1991 – Artificial ionospheric mirror composed of a plasma layer which can be tilted
5056357 – October 15, 1991- Acoustic method for measuring properties of a mobile medium
5059909 – October 22, 1991 – Determination of particle size and electrical charge
5104069 – April 14, 1992 – Apparatus and method for ejecting matter from an aircraft
5110502 – May 5, 1992 – Method of suppressing formation of contrails and solution therefor
5156802 – October 20, 1992 – Inspection of fuel particles with acoustics
5174498 – December 29, 1992 – Cloud Seeding
5148173 – September 15, 1992 – Millimeter wave screening cloud and method
5242820 – September 7, 1993 – Army Mycoplasma Patent Patent
5245290 – September 14, 1993 – Device for determining the size and charge of colloidal particles by measuring electroacoustic effect
5286979 – February 15, 1994 – Process for absorbing ultraviolet radiation using dispersed melanin
5296910 – March 22, 1994 – Method and apparatus for particle analysis
5327222 – July 5, 1994 – Displacement information detecting apparatus
5357865 – October 25, 1994 – Method of cloud seeding
5360162 – November 1, 1994 – Method and composition for precipitation of atmospheric water
5383024 – January 17, 1995 – Optical wet steam monitor
Replies