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  • Increased Income from InventionsAuthor(s): A. J. FischerSource: Sewage and Industrial Wastes, Vol. 27, No. 6 (Jun., 1955), pp. 706-714Published by: Water Environment FederationStable URL: .Accessed: 13/06/2014 04:28

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    By A. J. Fischer

    Assistant Manager, Development Department, The Dorr Company, Stamford, Conn.

    Contrary to popular opinion most

    of the major process inventions being commercialized or commercially devel

    oped in the sanitary field today have

    been originated by consulting and mu

    nicipal engineers and plant operators and not by employees of equipment

    manufacturers. Typical examples are

    the thickening processes of Goudey,

    Torpey and Laboon, the digestion processes of Buswell and Imhoff, the

    trickling filter processes of Jenks and

    Ward, the activated sludge processes of Pirnie, Kraus and Gould, and the

    sludge filtration processes of Genter

    and Kennedy. However, as one might

    expect, manufacturers '

    employees are

    responsible for most of the advances

    in mechanical equipment designs, al

    though a number of important ma

    chines used in the field have been orig inated by men not employed by equip

    ment companies (for example, the floc

    culation units of Smith and Langelier ; the digesters of Keefer, Pruss and

    Downes; the clarifiers of Trebler and

    Skinner; the aerators of Powers and

    Currie; the grit chamber of Camp; the comminutor of Nordell; and the

    filter of Komline. Curiously enough,

    relatively few of the processes and

    machines in successful use today have

    had their genesis in non-commercial research laboratories or are the prod uct of the minds of men engaged in

    the educational field. Exceptions to

    this generalization are the inventions in the field of trickling filters by

    Levine and Halverson, of flocculation

    * Presented at 27th Annual Meeting, Fed

    eration of Sewage and Industrial Wastes

    Assns.; Cincinnati, Ohio; October 11-14, 1954.

    by Langelier, and of digestion by Buswell.

    Considering the opportunities af

    forded to men in the design, operation and research fields to develop novel

    and patentable ideas, it is surprising that more inventions are not made by them considering the possible mone

    tary rewards. The inescapable con

    clusion to be drawn is that all too

    many individuals do not know when

    they have made an invention, or

    having recognized that they have made

    one, do not know how to adequately protect it and commercialize it.

    Broadly speaking, in the United States an invention is considered patentable if it involves a process, a system or an

    apparatus that is new and which pro duces an unexpected result. Further, it must not be in public use or dis closed in a printed publication more

    than one year prior to the filing of a

    patent application covering the idea. The mere possession of an idea in the mind of an individual does not con

    stitute invention. Under the law it is desirable that the idea be diligently re

    duced to practice, or a patent appli cation be diligently filed, which in the

    eyes of the law constitutes a reduction to practice.

    As a first step, when one believes he has conceived a novel idea a

    " Rec

    ord of Invention" should be made. This should be a clear detailed de

    scription of the idea and with appro priate sketches, flowsheets, etc. Ac

    companying this record should be a statement as to when, where, how and

    why the idea was conceived and to whom it was disclosed. This docu ment should be signed and dated by


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  • Yol. 27, No. 6 INVENTIONS 707

    the inventor on each page. Likewise, each page should be signed and dated

    by two witnesses who have read and understood the description. Such rec

    ords, coupled with due diligence in

    reducing the invention to practice, are of considerable value in establish

    ing prior and original inventorship when two parties file patent applica tions covering the same invention. In such a case an "Interference" may be declared by the Patent Office and each

    party may be required to submit evi dence supporting his date of concep tion, date of reduction to practice, and record of diligence from date of

    conception to date of reduction to

    practice. In such cases the party wins the interference who clearly proves he has been diligent and is the first and

    original inventor. In about 25 per cent of such interferences the first inventor actually has the later filing


    The next step to be taken by an

    inventor depends upon whether he wishes to obtain a patent on his idea himself or whether he wishes to im

    mediately interest an equipment man

    ufacturer in it. Unless the inventor desires to commercialize his idea per sonally, the latter is by far the more desirable procedure, as in most cases the equipment manufacturer will undertake to have carried out through competent attorneys all the necessary patent work involved, including the

    patentability search, preparation of the specification, prosecution of the case through the Patent Office, and

    payment of fees. Added advantages in this procedure are that commer cial organizations retain patent attor

    neys experienced in the field so that there are better chances of obtaining

    good patent protection on the partic ular process or apparatus involved; also development and/or commercial

    ization of the invention may be put in hand at once, long before the pat ent actually issues.

    Where an inventor desires to obtain

    patent protection himself, the best pro cedure is for him to consult a patent attorney who can carry out all phases of the necessary work for him. The first step, a patentability search, may be simple or complex, depending on

    the nature of the invention. It in volves a review of issued patents to determine whether there are any an

    ticipating references. A simple search

    may cost as little as $25, whereas a more complete one may cost $100 or more depending on the time required to conduct it. In addition, it is de sirable to make a literature search to determine whether the idea has been disclosed in any of the technical pub lications. The next phase, involving the preparation of a patent applica tion and prosecution through the Pat ent Office, etc., may easily cost any

    where from about $400 to $4,000, de

    pending on the attorneys selected, complications encountered in the pros ecution of the case, etc. This cost can be kept to a minimum if the inventor

    supplies his attorney with complete information regarding his invention

    with all possible modifications at the time the patent application is being prepared. It has taken an average of slightly more than three years for a patent to issue in the United. States in the sanitary field, after the date of application. A study of 100 fairly

    well-known sewage treatment patents has shown a spread of from seven

    months to seven years in time of issue. The life of the patent is 17 years from the date of issuance. It is generally considered, however, that the commer cial life of a patent in the sanitary field is only about eight to ten years. That is, if an inventor waits until a

    patent issues before he attempts to commercialize it, about five to seven

    years is spent in developing and dem

    onstrating the invention so that it

    may find wide acceptance. Therefore, the royalty earning capacity of an in

    vention is materially lengthened if it is commercialized immediately.

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    United States Patents may be re

    issued to broaden their claims within

    two years of the date of issue, pro vided the broader claims are sup

    ported by disclosures in the applica tion. After the two-year period, patents may be reissued only for the

    purpose of correcting errors in sub

    stance and narrowing of claims. In

    neither case does the reissuance of a

    patent extend the life of the original


    This brings us back to the all

    important consideration regard


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